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Math
Math Statement
Problem 18501
Hundreds equal 70 times tens. What is the value of hundreds in terms of tens? Express it as:
h
=
70
t
h = 70t
h
=
70
t
.
See Solution
Problem 18502
Identify the property: If
∠
Q
≅
∠
S
\angle Q \cong \angle S
∠
Q
≅
∠
S
and
∠
S
≅
∠
P
\angle S \cong \angle P
∠
S
≅
∠
P
, then
∠
Q
≅
∠
P
\angle Q \cong \angle P
∠
Q
≅
∠
P
.
See Solution
Problem 18503
Evaluate
f
(
x
)
=
x
−
2
f(x) = x - 2
f
(
x
)
=
x
−
2
for
x
=
0
x = 0
x
=
0
and graph the ordered pair
(
x
,
f
(
x
)
)
(x, f(x))
(
x
,
f
(
x
))
.
See Solution
Problem 18504
Convert
7.83
×
1
0
7
7.83 \times 10^{7}
7.83
×
1
0
7
to standard form.
See Solution
Problem 18505
If
∠
A
\angle A
∠
A
is supplementary to
∠
B
\angle B
∠
B
and
∠
B
=
11
5
∘
\angle B=115^{\circ}
∠
B
=
11
5
∘
, find
∠
A
\angle A
∠
A
.
See Solution
Problem 18506
Find the price
p
p
p
to maximize revenue given the function
R
(
p
)
=
−
7
p
2
+
21
,
000
p
R(p)=-7p^2+21,000p
R
(
p
)
=
−
7
p
2
+
21
,
000
p
, and calculate the max revenue.
See Solution
Problem 18507
Solve the equation
x
2
−
12
x
+
61
=
0
x^{2}-12 x+61=0
x
2
−
12
x
+
61
=
0
using the quadratic formula. Provide the exact solution with radicals and
i
i
i
.
See Solution
Problem 18508
Select the true comparisons:
4.15
>
4.051
4.15 > 4.051
4.15
>
4.051
,
1.054
>
1.45
1.054 > 1.45
1.054
>
1.45
,
5.14
<
5.041
5.14 < 5.041
5.14
<
5.041
,
5.104
<
5.41
5.104 < 5.41
5.104
<
5.41
,
5.014
<
5.41
5.014 < 5.41
5.014
<
5.41
.
See Solution
Problem 18509
Determine if the function
f
(
x
)
=
−
2
x
2
+
16
x
−
1
f(x)=-2 x^{2}+16 x-1
f
(
x
)
=
−
2
x
2
+
16
x
−
1
has a max or min value and find that value.
See Solution
Problem 18510
Find the difference quotient of
f
(
x
)
=
x
2
+
4
f(x)=x^{2}+4
f
(
x
)
=
x
2
+
4
: calculate
f
(
x
+
h
)
−
f
(
x
)
h
\frac{f(x+h)-f(x)}{h}
h
f
(
x
+
h
)
−
f
(
x
)
,
h
≠
0
h \neq 0
h
=
0
, and simplify.
See Solution
Problem 18511
Find
g
(
x
)
=
∣
x
−
x
2
∣
g(x)=|x-x^{2}|
g
(
x
)
=
∣
x
−
x
2
∣
for
g
(
4
)
g(4)
g
(
4
)
,
g
(
−
7
)
g(-7)
g
(
−
7
)
, and
g
(
−
3
)
g(-3)
g
(
−
3
)
.
See Solution
Problem 18512
Calculate
[
45.82
g
(
3.0
c
m
)
3
−
0.64
g
(
0.859
c
m
)
3
]
÷
2
\left[\frac{45.82 \mathrm{~g}}{(3.0 \mathrm{~cm})^{3}}-\frac{0.64 \mathrm{~g}}{(0.859 \mathrm{~cm})^{3}}\right] \div 2
[
(
3.0
cm
)
3
45.82
g
−
(
0.859
cm
)
3
0.64
g
]
÷
2
.
See Solution
Problem 18513
Given a continuous function
f
f
f
on
[
−
2
,
2
]
[-2,2]
[
−
2
,
2
]
with
f
(
−
2
)
=
1
f(-2)=1
f
(
−
2
)
=
1
and
f
(
2
)
=
−
1
f(2)=-1
f
(
2
)
=
−
1
, which properties hold by the Intermediate Value Theorem? A.
f
(
c
)
=
0
f(c)=0
f
(
c
)
=
0
for some
c
c
c
in
(
−
1
,
1
)
(-1,1)
(
−
1
,
1
)
; B.
f
(
x
)
+
1
≥
0
f(x)+1 \geq 0
f
(
x
)
+
1
≥
0
on
(
−
2
,
2
)
(-2,2)
(
−
2
,
2
)
; C.
f
2
(
c
)
≤
1
f^{2}(c) \leq 1
f
2
(
c
)
≤
1
for all
c
c
c
in
(
−
2
,
2
)
(-2,2)
(
−
2
,
2
)
.
See Solution
Problem 18514
Find
g
(
9
)
g(9)
g
(
9
)
and
g
(
−
1
)
g(-1)
g
(
−
1
)
for the function
g
(
x
)
=
−
x
2
+
10
x
−
3
g(x)=-x^{2}+10x-3
g
(
x
)
=
−
x
2
+
10
x
−
3
.
See Solution
Problem 18515
Simplify the expression:
8
+
8
+
2
1
5
\frac{8+8+2}{1^{5}}
1
5
8
+
8
+
2
and choose the correct answer. A.
8
+
8
+
2
1
5
=
\frac{8+8+2}{1^{5}}=
1
5
8
+
8
+
2
=
B. Undefined.
See Solution
Problem 18516
Find
h
(
x
)
=
∣
1
−
7
x
∣
h(x)=|1-7 x|
h
(
x
)
=
∣1
−
7
x
∣
and calculate: a.
h
(
1
)
h(1)
h
(
1
)
, b.
h
(
−
7
)
h(-7)
h
(
−
7
)
, c.
h
(
9
)
h(9)
h
(
9
)
.
See Solution
Problem 18517
Graph the line with slope -4 and
y
y
y
-intercept 5 given by the equation
y
=
−
4
x
+
5
y=-4x+5
y
=
−
4
x
+
5
.
See Solution
Problem 18518
Simplify the expression:
3
(
8
−
6
)
+
2
2
2
−
2
\frac{3(8-6)+2}{2^{2}-2}
2
2
−
2
3
(
8
−
6
)
+
2
. Choose A or B if it's undefined.
See Solution
Problem 18519
Calculate
3
2
÷
0.08
÷
0.35
\frac{3}{2} \div 0.08 \div 0.35
2
3
÷
0.08
÷
0.35
.
See Solution
Problem 18520
Find
f
(
x
)
=
9
5
x
+
32
f(x)=\frac{9}{5} x+32
f
(
x
)
=
5
9
x
+
32
. Calculate
f
(
60
)
f(60)
f
(
60
)
,
f
(
0
)
f(0)
f
(
0
)
, and
f
(
25
)
f(25)
f
(
25
)
.
See Solution
Problem 18521
Find the zeros of the function
P
(
x
)
=
2
x
2
−
50
P(x)=2x^{2}-50
P
(
x
)
=
2
x
2
−
50
. Are they the same as the
x
x
x
-intercepts?
See Solution
Problem 18522
Calculate the result of
(
−
19
)
−
42
−
(
−
28
)
(-19)-42-(-28)
(
−
19
)
−
42
−
(
−
28
)
.
See Solution
Problem 18523
For the function
f
(
x
)
=
x
2
+
4
x
+
4
f(x)=x^{2}+4x+4
f
(
x
)
=
x
2
+
4
x
+
4
, find the vertex, axis of symmetry, and intercepts. Does it open up or down?
See Solution
Problem 18524
Find the numerator for the equation
a
5
=
□
30
\frac{a}{5}=\frac{\square}{30}
5
a
=
30
□
(Simplify your answer.)
See Solution
Problem 18525
Calculate the expression:
(
−
10
)
−
1
+
(
−
46
)
(-10) - 1 + (-46)
(
−
10
)
−
1
+
(
−
46
)
.
See Solution
Problem 18526
Multiply the fractions:
10
4
⋅
9
5
\frac{10}{4} \cdot \frac{9}{5}
4
10
⋅
5
9
. What is the simplified fraction?
See Solution
Problem 18527
Multiply and simplify:
4
⋅
3
1
3
=
□
4 \cdot 3 \frac{1}{3} = \square
4
⋅
3
3
1
=
□
(Provide a whole number, fraction, or mixed number.)
See Solution
Problem 18528
Divide and simplify:
2
55
÷
4
77
=
□
\frac{2}{55} \div \frac{4}{77} = \square
55
2
÷
77
4
=
□
(Enter a whole number or simplified fraction.)
See Solution
Problem 18529
Add the fractions:
1
20
+
1
4
=
□
\frac{1}{20}+\frac{1}{4}=\square
20
1
+
4
1
=
□
(Type a whole number or a simplified fraction.)
See Solution
Problem 18530
The cost
C
(
x
)
=
0.20
x
+
45
C(x)=0.20x+45
C
(
x
)
=
0.20
x
+
45
gives truck rental costs. Find costs for
x
=
80
x=80
x
=
80
miles, solve for
C
=
60
C=60
C
=
60
, max miles for
C
≤
150
C \leq 150
C
≤
150
, domain, slope, and intercept.
See Solution
Problem 18531
Simplify the expression:
6
+
∣
9
−
2
∣
+
8
2
5
−
2
\frac{6+|9-2|+8^{2}}{5-2}
5
−
2
6
+
∣9
−
2∣
+
8
2
and enter your answer as a number.
See Solution
Problem 18532
Identify the arithmetic sequence with the formula:
a
n
=
10
n
+
12
a_{n}=10 n+12
a
n
=
10
n
+
12
.
See Solution
Problem 18533
Match the data tables with their corresponding equations and explain why. Simplify:
2
x
+
x
(
x
+
6
)
2x + x(x + 6)
2
x
+
x
(
x
+
6
)
.
See Solution
Problem 18534
Find the equivalent expression for
9
w
2
+
3
5
(
20
w
2
−
15
w
+
10
)
+
2
w
9 w^{2}+\frac{3}{5}(20 w^{2}-15 w+10)+2 w
9
w
2
+
5
3
(
20
w
2
−
15
w
+
10
)
+
2
w
. Choices are A, B, C, D.
See Solution
Problem 18535
Find the calories per ounce in a 6-ounce Greek yogurt container with 150 calories.
See Solution
Problem 18536
Find the polynomial sum of
(
16
x
2
−
16
)
+
(
−
12
x
2
−
12
x
+
12
)
(16 x^{2}-16) + (-12 x^{2}-12 x+12)
(
16
x
2
−
16
)
+
(
−
12
x
2
−
12
x
+
12
)
. Choices: A.
4
x
2
−
12
x
−
4
4 x^{2}-12 x-4
4
x
2
−
12
x
−
4
, B.
4
x
2
−
12
x
+
28
4 x^{2}-12 x+28
4
x
2
−
12
x
+
28
, C.
16
x
2
−
28
x
−
16
16 x^{2}-28 x-16
16
x
2
−
28
x
−
16
, D.
28
x
2
−
28
x
−
12
28 x^{2}-28 x-12
28
x
2
−
28
x
−
12
.
See Solution
Problem 18537
Find the polynomial representing the difference:
2
x
2
+
7
x
+
6
−
(
3
x
2
−
x
)
2x^{2}+7x+6 - (3x^{2}-x)
2
x
2
+
7
x
+
6
−
(
3
x
2
−
x
)
. Options: A.
−
x
2
+
8
x
+
6
-x^{2}+8x+6
−
x
2
+
8
x
+
6
, B.
2
x
2
+
4
x
+
6
2x^{2}+4x+6
2
x
2
+
4
x
+
6
, C.
−
x
2
+
6
x
+
6
-x^{2}+6x+6
−
x
2
+
6
x
+
6
, D.
2
x
2
+
5
x
+
6
2x^{2}+5x+6
2
x
2
+
5
x
+
6
.
See Solution
Problem 18538
Find the equivalent expression for
5
q
2
−
2
3
(
6
q
2
−
6
q
−
3
)
+
3
q
5 q^{2}-\frac{2}{3}(6 q^{2}-6 q-3)+3 q
5
q
2
−
3
2
(
6
q
2
−
6
q
−
3
)
+
3
q
. Options: A, B, C, D.
See Solution
Problem 18539
Simplify:
8
3
+
4
3
−
10
3
−
9
=
8 \sqrt{3} + 4 \sqrt{3} - 10 \sqrt{3} - 9 =
8
3
+
4
3
−
10
3
−
9
=
(exact answer with radicals).
See Solution
Problem 18540
Subtract the polynomials:
(
3
x
2
+
2
x
+
4
)
−
(
x
2
+
2
x
+
1
)
=
?
(3 x^{2}+2 x+4)-(x^{2}+2 x+1)=?
(
3
x
2
+
2
x
+
4
)
−
(
x
2
+
2
x
+
1
)
=
?
A.
2
x
2
+
3
2 x^{2}+3
2
x
2
+
3
B.
2
x
2
+
4
x
+
3
2 x^{2}+4 x+3
2
x
2
+
4
x
+
3
C.
2
x
2
+
5
2 x^{2}+5
2
x
2
+
5
D.
2
x
2
+
4
x
+
5
2 x^{2}+4 x+5
2
x
2
+
4
x
+
5
See Solution
Problem 18541
Subtract the polynomials: (4x² - x + 6) - (x² + 3) = ? A. 5x² - x + 9 B. 3x² - x + 3 C. 4x² - 2x + 9 D. 4x² - 2x + 3
See Solution
Problem 18542
Find the next equation in the sequence:
1 =
1
2
1^2
1
2
, 1 + 2 + 1 =
2
2
2^2
2
2
, 1 + 2 + 3 + 2 + 1 =
3
2
3^2
3
2
, 1 + 2 + 3 + 4 + 3 + 2 + 1 =
4
2
4^2
4
2
.
Verify your answer.
See Solution
Problem 18543
Calculate
75.11
−
4.4
75.11 - 4.4
75.11
−
4.4
.
See Solution
Problem 18544
Calculate the product of
7
2
\frac{7}{2}
2
7
and
7
2
\frac{7}{2}
2
7
.
See Solution
Problem 18545
Calculate the value of
31
/
2
×
31
/
2
31 / 2 \times 31 / 2
31/2
×
31/2
.
See Solution
Problem 18546
Find the cost in 2014 using the model
C
=
2.85
n
+
30.52
C=2.85n+30.52
C
=
2.85
n
+
30.52
, where
n
n
n
is the years since 1990.
See Solution
Problem 18547
Find the intercepts of the line given by
−
4
x
+
7
y
=
3
-4x + 7y = 3
−
4
x
+
7
y
=
3
. Provide exact values.
See Solution
Problem 18548
Graph the equations:
x
+
y
=
−
2
x+y=-2
x
+
y
=
−
2
and
x
−
y
=
4
x-y=4
x
−
y
=
4
. Find their intersection point.
See Solution
Problem 18549
Calculate
3
1
2
×
31
2
3 \frac{1}{2} \times \frac{31}{2}
3
2
1
×
2
31
.
See Solution
Problem 18550
Check if
(
−
2
,
1
)
(-2,1)
(
−
2
,
1
)
satisfies the equations:
−
x
−
5
y
=
−
3
-x-5y=-3
−
x
−
5
y
=
−
3
and
−
3
x
−
4
y
=
2
-3x-4y=2
−
3
x
−
4
y
=
2
. Is it a solution? Yes or No.
See Solution
Problem 18551
Calculate
2
,
789
÷
36
2,789 \div 36
2
,
789
÷
36
.
See Solution
Problem 18552
Graph the system:
x
+
y
=
−
2
x+y=-2
x
+
y
=
−
2
and
x
−
y
=
4
x-y=4
x
−
y
=
4
. Choose A (ordered pair), B (equation), or C (no solution:
∅
\varnothing
∅
).
See Solution
Problem 18553
Solve for real
x
x
x
in the equation:
4
x
3
−
8
x
2
=
0
4 x^{3}-8 x^{2}=0
4
x
3
−
8
x
2
=
0
. Provide answers as a comma-separated list.
See Solution
Problem 18554
Calculate
215
÷
2
215 \div 2
215
÷
2
.
See Solution
Problem 18555
Graph the system of equations:
x
+
y
=
−
1
x+y=-1
x
+
y
=
−
1
and
x
−
y
=
7
x-y=7
x
−
y
=
7
.
See Solution
Problem 18556
Convert
0.000450
c
m
0.000450 \mathrm{~cm}
0.000450
cm
to
n
m
\mathrm{nm}
nm
.
See Solution
Problem 18557
Find
f
∘
g
f \circ g
f
∘
g
,
g
∘
f
g \circ f
g
∘
f
, and
g
∘
g
g \circ g
g
∘
g
for
f
(
x
)
=
x
2
f(x)=x^{2}
f
(
x
)
=
x
2
and
g
(
x
)
=
x
−
1
g(x)=x-1
g
(
x
)
=
x
−
1
.
See Solution
Problem 18558
Find
f
∘
g
f \circ g
f
∘
g
,
g
∘
f
g \circ f
g
∘
f
, and
g
∘
g
g \circ g
g
∘
g
for
f
(
x
)
=
x
2
f(x)=x^{2}
f
(
x
)
=
x
2
and
g
(
x
)
=
x
−
1
g(x)=x-1
g
(
x
)
=
x
−
1
.
See Solution
Problem 18559
Divide 18 by 153 using long division.
See Solution
Problem 18560
Find
f
∘
g
f \circ g
f
∘
g
and
g
∘
f
g \circ f
g
∘
f
for
f
(
x
)
=
x
+
8
f(x)=\sqrt{x+8}
f
(
x
)
=
x
+
8
and
g
(
x
)
=
x
2
g(x)=x^{2}
g
(
x
)
=
x
2
. Determine the domains in interval notation.
See Solution
Problem 18561
20 tens = 200
See Solution
Problem 18562
Find the compositions of the functions
f
(
x
)
=
4
x
+
7
f(x)=4x+7
f
(
x
)
=
4
x
+
7
and
g
(
x
)
=
−
8
x
−
7
g(x)=-8x-7
g
(
x
)
=
−
8
x
−
7
: (a)
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
, (b)
(
g
∘
f
)
(
x
)
(g \circ f)(x)
(
g
∘
f
)
(
x
)
, (c)
(
f
∘
f
)
(
x
)
(f \circ f)(x)
(
f
∘
f
)
(
x
)
. Simplify your answers.
See Solution
Problem 18563
Find the intercepts of the line given by
y
−
3
=
5
(
x
−
2
)
y-3=5(x-2)
y
−
3
=
5
(
x
−
2
)
.
y
y
y
-intercept:
x
x
x
-intercept:
See Solution
Problem 18564
Divide 34.75 by 5.
See Solution
Problem 18565
Evaluate the function
g
(
x
)
=
4
x
+
1
g(x)=4x+1
g
(
x
)
=
4
x
+
1
for: (a)
g
(
−
4
)
g(-4)
g
(
−
4
)
, (b)
g
(
a
)
g(a)
g
(
a
)
, (c)
g
(
x
3
)
g(x^{3})
g
(
x
3
)
, (d)
g
(
4
x
−
3
)
g(4x-3)
g
(
4
x
−
3
)
.
See Solution
Problem 18566
Graph the system of equations:
x
+
y
=
−
1
x+y=-1
x
+
y
=
−
1
and
x
−
y
=
7
x-y=7
x
−
y
=
7
. Identify the solution set: A, B, or C.
See Solution
Problem 18567
Evaluate
g
(
x
)
=
5
x
2
−
8
g(x)=5 x^{2}-8
g
(
x
)
=
5
x
2
−
8
for: (a)
g
(
−
7
)
g(-7)
g
(
−
7
)
, (b)
g
(
b
)
g(b)
g
(
b
)
, (c)
g
(
x
3
)
g(x^{3})
g
(
x
3
)
, (d)
g
(
5
x
−
7
)
g(5 x-7)
g
(
5
x
−
7
)
.
See Solution
Problem 18568
Find the value of
d
d
d
given that
d
=
a
2
−
a
1
d = a_2 - a_1
d
=
a
2
−
a
1
, where
a
2
=
22
a_2 = 22
a
2
=
22
and
a
1
=
12
a_1 = 12
a
1
=
12
.
See Solution
Problem 18569
Identify
a
1
a_{1}
a
1
and
d
d
d
in the sequence
12
,
22
,
32
,
42
,
52
12, 22, 32, 42, 52
12
,
22
,
32
,
42
,
52
using
a
n
=
a
1
+
(
n
−
1
)
d
a_{n}=a_{1}+(n-1)d
a
n
=
a
1
+
(
n
−
1
)
d
. Explain
a
2
,
a
3
,
a
4
,
a
5
a_{2}, a_{3}, a_{4}, a_{5}
a
2
,
a
3
,
a
4
,
a
5
.
See Solution
Problem 18570
Evaluate
(
f
∘
g
)
(
6
)
(f \circ g)(6)
(
f
∘
g
)
(
6
)
for
f
(
x
)
=
x
+
28
f(x)=\sqrt{x+28}
f
(
x
)
=
x
+
28
and
g
(
x
)
=
x
2
g(x)=x^{2}
g
(
x
)
=
x
2
. What is the simplified result?
See Solution
Problem 18571
Evaluate
(
f
∘
g
)
(
6
)
(f \circ g)(6)
(
f
∘
g
)
(
6
)
and
(
g
∘
f
)
(
−
3
)
(g \circ f)(-3)
(
g
∘
f
)
(
−
3
)
for
f
(
x
)
=
x
+
28
f(x)=\sqrt{x+28}
f
(
x
)
=
x
+
28
and
g
(
x
)
=
x
2
g(x)=x^{2}
g
(
x
)
=
x
2
.
See Solution
Problem 18572
Identify the arithmetic sequence from the formula
a
n
=
10
n
+
12
a_{n}=10n+12
a
n
=
10
n
+
12
and the terms 12, 22, 32, 42, 52.
See Solution
Problem 18573
Find all real solutions for the equation
x
3
=
81
x
x^{3} = 81x
x
3
=
81
x
. Enter answers as a comma-separated list.
See Solution
Problem 18574
Multiply and simplify:
(
10
+
8
6
)
(
2
6
+
5
10
)
(\sqrt{10}+8 \sqrt{6})(2 \sqrt{6}+5 \sqrt{10})
(
10
+
8
6
)
(
2
6
+
5
10
)
.
See Solution
Problem 18575
Multiply and simplify:
(
5
10
+
7
6
)
(
2
6
−
8
10
)
(5 \sqrt{10}+7 \sqrt{6})(2 \sqrt{6}-8 \sqrt{10})
(
5
10
+
7
6
)
(
2
6
−
8
10
)
See Solution
Problem 18576
Evaluate
f
(
g
(
−
5
)
)
f(g(-5))
f
(
g
(
−
5
))
and
g
(
f
(
3
)
)
g(f(3))
g
(
f
(
3
))
for
f
(
x
)
=
7
x
−
1
f(x)=7x-1
f
(
x
)
=
7
x
−
1
and
g
(
x
)
=
∣
x
∣
g(x)=|x|
g
(
x
)
=
∣
x
∣
.
See Solution
Problem 18577
Find all real solutions for the equation:
6
x
5
−
24
x
=
0
6x^5 - 24x = 0
6
x
5
−
24
x
=
0
.
See Solution
Problem 18578
Divide 139 by 4 using long division.
See Solution
Problem 18579
Evaluate the following using
f
(
x
)
=
7
x
−
1
f(x)=7x-1
f
(
x
)
=
7
x
−
1
and
g
(
x
)
=
∣
x
∣
g(x)=|x|
g
(
x
)
=
∣
x
∣
: (a)
(
f
∘
g
)
(
−
5
)
(f \circ g)(-5)
(
f
∘
g
)
(
−
5
)
(b)
(
g
∘
f
)
(
3
)
(g \circ f)(3)
(
g
∘
f
)
(
3
)
Find
(
f
∘
g
)
(
−
5
)
=
(f \circ g)(-5)=
(
f
∘
g
)
(
−
5
)
=
(Simplify your answer.)
See Solution
Problem 18580
Solve for all real values of
x
x
x
in the equation
x
=
5
x
5
−
45
x
x = 5x^5 - 45x
x
=
5
x
5
−
45
x
.
See Solution
Problem 18581
Divide 18 by 153.
See Solution
Problem 18582
Calculate the value of
(
4
4
)
3
\left(4^{4}\right)^{3}
(
4
4
)
3
.
See Solution
Problem 18583
Find
t
t
t
when the rocket's height
h
=
92
h=92
h
=
92
feet, given
h
=
188
t
−
16
t
2
h=188t-16t^2
h
=
188
t
−
16
t
2
. Round to the nearest hundredth.
See Solution
Problem 18584
Determine if the function
f
(
x
)
=
−
x
3
9
x
2
−
3
f(x)=\frac{-x^{3}}{9 x^{2}-3}
f
(
x
)
=
9
x
2
−
3
−
x
3
is even, odd, or neither.
See Solution
Problem 18585
Solve for all real solutions of the equation:
x
=
x
3
−
4
x
2
+
x
−
4
=
x
2
+
1
x = x^3 - 4x^2 + x - 4 = x^2 + 1
x
=
x
3
−
4
x
2
+
x
−
4
=
x
2
+
1
.
See Solution
Problem 18586
Evaluate
f
(
x
)
=
7
x
−
1
f(x)=7x-1
f
(
x
)
=
7
x
−
1
and
g
(
x
)
=
∣
x
∣
g(x)=|x|
g
(
x
)
=
∣
x
∣
for: (a)
(
f
∘
g
)
(
−
5
)
(f \circ g)(-5)
(
f
∘
g
)
(
−
5
)
, (b)
(
g
∘
f
)
(
3
)
(g \circ f)(3)
(
g
∘
f
)
(
3
)
.
See Solution
Problem 18587
Calculate the value of
3
12
3
3
\frac{3^{12}}{3^{3}}
3
3
3
12
.
See Solution
Problem 18588
Calculate the value of
6
4
⋅
2
4
6^{4} \cdot 2^{4}
6
4
⋅
2
4
.
See Solution
Problem 18589
Find
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
and
(
g
∘
f
)
(
x
)
(g \circ f)(x)
(
g
∘
f
)
(
x
)
for
f
(
x
)
=
2
x
−
4
f(x)=2x-4
f
(
x
)
=
2
x
−
4
and
g
(
x
)
=
x
+
4
2
g(x)=\frac{x+4}{2}
g
(
x
)
=
2
x
+
4
. Simplify both.
See Solution
Problem 18590
Is
8
×
8
5
8 \times 8^{5}
8
×
8
5
the same as
(
8
×
8
)
5
(8 \times 8)^{5}
(
8
×
8
)
5
? Justify your answer.
See Solution
Problem 18591
Find all real solutions for the equation
z
+
16
z
+
2
=
6
z + \frac{16}{z+2} = 6
z
+
z
+
2
16
=
6
. Enter answers as a comma-separated list.
See Solution
Problem 18592
Convert
375
m
/
s
375 \mathrm{~m/s}
375
m/s
to
f
t
/
m
i
n
\mathrm{ft/min}
ft/min
.
See Solution
Problem 18593
Find the real zeros and their multiplicities for
f
(
x
)
=
1
5
x
2
(
x
2
−
3
)
f(x)=\frac{1}{5} x^{2}(x^{2}-3)
f
(
x
)
=
5
1
x
2
(
x
2
−
3
)
and state if the graph crosses or touches the
x
\mathrm{x}
x
-axis.
See Solution
Problem 18594
Rationalize and simplify the expression:
13
3
\sqrt{\frac{13}{3}}
3
13
.
See Solution
Problem 18595
Rationalize and simplify the expression:
21
77
\frac{\sqrt{21}}{\sqrt{77}}
77
21
.
See Solution
Problem 18596
Calculate
(
1
6
)
5
\left(\frac{1}{6}\right)^5
(
6
1
)
5
.
See Solution
Problem 18597
Solve the equation for real values of
x
x
x
:
15
x
−
9
x
−
2
+
4
=
0
\frac{15}{x}-\frac{9}{x-2}+4=0
x
15
−
x
−
2
9
+
4
=
0
. List answers as comma-separated values.
See Solution
Problem 18598
Find the line equation in slope-intercept form with slope
m
=
5
9
m=\frac{5}{9}
m
=
9
5
and y-intercept
(
0
,
1
)
(0,1)
(
0
,
1
)
.
See Solution
Problem 18599
Solve for real values of
x
x
x
in the equation
x
=
x
2
x
+
20
=
10
x=\frac{x^{2}}{x+20}=10
x
=
x
+
20
x
2
=
10
.
See Solution
Problem 18600
Find the x-intercepts of the function
f
(
x
)
=
x
2
+
2
x
2
+
9
x
+
9
f(x)=\frac{x^{2}+2}{x^{2}+9x+9}
f
(
x
)
=
x
2
+
9
x
+
9
x
2
+
2
.
See Solution
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