Use logb2≈0.393,logb3≈0.552, and logb5≈0.801 to approximate the value of the given logarithm to 3 decimal places. Assume that b>0 and b=1.
logb15≈
\begin{tabular}{c|c|c|c|}
\hline Entered & Answer Preview & Result \\
\hline-12.75 & -12.75 & correct \\
\hline
\end{tabular} The answer above is correct. A jogger runs around a circular track of radius 70 ft . Let (x,y) be her coordinates, where the origin is the center of the track. When the jogger's coordinates are (42,56), her x-coordinate is changing at a rate of 17ft/s. Find dy/dt.
dy/dt=−12.75ft/s□
Solve using the quadratic formula. Approximate answers to the nearest tenth.
x2−2x+1=0□
Type your answer, then press Enter. Follow these examples:
x=1 or 3x=−5.3 or −0.1
The function f(x)=x−6x+24 is one-to-one. For the function,
a. Find an equation for f−1(x), the inverse function.
b. Verify that your equation is correct by showing that f(f−1(x))=x and f−1(f(x))=x.
a. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Simplify your answer. Use integers or fractions for any numbers in the expression.)
A. f−1(x)=□ , for x=□
B. f−1(x)=□ , for x≤□
C. f−1(x)=□ , for x≥□
D. f−1(x)=□ , for all x
Determine each feature of the graph of the given function.
f(x)=x2−x−124x−16 Answer Attempt 1 out of 2 Horizontal Asymptote: y=□ No horizontal asymptote Vertical Asymptote: x=□ No vertical asymptote
x-Intercept: □ ,0) No x-intercept
□y-Intercept: (0, □ No y-intercept
Hole: □□ , ) No hole
Find the vertical asymptotes, if any, and the values of x corresponding to holes, if any, of the graph of the rational function.
f(x)=x+7x Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Type an equation. Use commas to separate answers as needed.)
A. There are no vertical asymptotes but there is(are) hole(s) corresponding to □ .
B. The vertical asymptote(s) is(are) □ . There are no holes.
C. The vertical asymptote(s) is(are) □ and hole(s) corresponding to □ .
D. There are no discontinuities.
Find the vertical asymptotes, if any, and the values of x corresponding to holes, if any, of the graph of the rational function.
f(x)=x2+12x Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Type an integer or a fraction. Use a comma to separate answers as needed.)
A. The vertical asymptote(s) is (are) x=□ and hole(s) corresponding to x=□ .
B. There are no vertical asymptotes but there is (are) hole(s) corresponding to x=□ .
C. The vertical asymptote(s) is (are) x=□ . There are no holes.
D. There are no discontinuities.
Find the horizontal asymptote, if any, of the graph of the rational function.
f(x)=7x2+517x Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The horizontal asymptote is □ . (Type an equation.)
B. There is no horizontal asymptote.
Use the properties of logarithms to expand logyz4.
Each logarithm should involve only one variable and should not have any exponents or fractions. Assume that all variables are positive.
logyz4=log□
In certain deep parts of oceans, the pressure of sea water, P, in pounds per square foot, at a depth of d feet below the surface, is given by the following equation:
P=12+138d If a scientific team uses special equipment to measures the pressure under water and finds it to be 596 pounds per square foot, at what depth is the team making their measurements? Answer: The team is are measuring at □ feet below the surface.
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Esercizi di riepilogo
558 Completa inserendo, al posto dei puntini, il simbo10 opportuno (<,=,>).
a. (−2)3.
b. m.c.m. (12,5,6) m.c.m. (6,10,8)
c. (−3+5)4(−5+3)3
d. −∣−4∣……..(−3)3
e. 1 - M.C.D. (21,36,18)−20
f. (−2)(+3)(−5)(−2)3
g. (−13)17(−14)18
h. ∣ M.C.D. (14,16,18)− m.c.m. (9,12)∣71
i. (−2)(−3)(−5)(−3)3
j. ∣6−∣3−(−4)∣∣40
Vid
( 41. The equation of line a is y=6752x−24. Line b is parallel to line a. What is the slope of line b ?
(x) Simplify your answer and write it as a proper fraction, improper fraction, or integer.
□
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Reciprocals
Slope-intercept form: find the slope and y-interce
(3) Line g has a slope of 7740. Line h is perpendicular to g. What is the slope of line h ?
□
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If
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for Unit 4
Question 12, 4.3.28 Use synthetic division to find the function values. Then ch f(x)=x3−12x2+47x−60; find f(3),f(−4), and f(5).
□f(3)=x2−9x+20
(Simplify your answer.)
f(−4)=x2−16x+111−x−4504 (Simplify your answer.)
□□f(5)=x2−7x+12−x+510
(Simplify your answer.)
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Simplify each of the expressions below. Your final simplification should not contain negative exponents. Homework Help
a. (5x3)(−3x−2)
b. (4p2q)3
c. m−13mt
The functions f and g are defined as follows.
f(x)=x−6x2g(x)=x2+17x+72x+9 For each function, find the domain.
Write each answer as an interval or union of intervals. Domain of f : □ Domain of g : □
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Prepwork 11.6
Started: Dec 3 at 12:17pm
Quiz Instructions
Watch the videos for Section 11.6.
Question 1 What is limx→∞x8x2+5 ? That is what is the long run behavior? Edit
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The population (in thousands) of people of a city is approximated by the function P(t)=1400(2)0.1048t, where t is the number of years since 2010.
a. Find the population of this group in 2018.
b. Predict the population in 2026.
a. The population of this group in 2018 is □
(Round to the nearest thousand as needed.)
Use the function below to answer the following questions.
y=log2(x+6)
(a) Use transformations of the graph of y=log2x to graph the given function.
(b) Write the domain and range in interval notation.
(c) Write an equation of the asymptote. Part: 0/3 Part 1 of 3
(a) Use transformations of the graph of y=log2x to graph the given function.
Using the rational root theorem, list out all possible/candidate rational roots of f(x)=−5x5+19x+25x2−2x4+17x3−10. Express your answer as inte or as fractions in simplest form. Use commas to separate.
Check your answer:
What is (3x−2)(x3+2x2+4x−1)2
Use your work from the previous slide to answer.
3x4+4x3+8x2−11x−23x4+4x3+8x2−11x+23x3+4x2+8x−11x+23x4+8x3+16x2
Evaluate the function at the given values of x. Round to 4 decimal places, if necessary.
g(x)=3x Part 1 of 4
g(−2)=0.1111 Part: 1 / 4 Part 2 of 4
g(5.7)=□
Solve the quadratic equation by completing the square: x2+14x+7=18
Give the equation after completing the square, but before taking the square root. Your answer should look like: (x−a)2=b
The equation is: □
Give all solutions to the equation. The solutions are: x=□
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$18,000 is invested in an account paying 3.1\% interest compounded continuously. The amount A(t) in the account after t years is given by the exponential function A(t)=18,000e0.031t. 1. Determine the amount in the account after 8 years. (Round to two decimal places)
□ 2. How many years will it take for the account to grow to $24,000 ? (Round to 3 decimal places)
□
stion 15
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estion Decide whether the function is even, odd, or neither.
g(x)=x3−5x Select one:
a. Even
b. Odd
c. Neither odd nor even Clear my choice
Use your calculator to find the real zero(s) and the relative minimum of the function
f(x)=3x3−3x2−6x−4 The real zero(s) is (are) □
Round to 4 decimal places
The relative minimum is □
Round to 4 decimal places Calculator
opening of each.
8) x=y2+12y+30
A) Vertex: (5,5) Focus: (5,419)
Axis of Sym.: x=5
Opens: Down
B) Vertex: (−6,−6) Focus: (−423,−6)
Axis of Sym: y=−6
Opens: Right
C) Vertex: (−6,−6) Focus: (−6,−423)
Axis of Sym: :=−6
Opens: Up
D) Verte: (−6,−6) Focus: (−6,−425)
Axis of Sym: x=−6
Opens: Down
Solve the following exponential equation. Express the solution set in terms of natural logarithms or common logarithms. Then, use a calculator to obtain a decimal approximation for the solution.
11x=67 The solution set expressed in terms of logarithms is □ \}.
(Use a comma to separate answers as needed. Simplify your answer. Use integers or fractions for any numbers in the expression. Use In for natural logarithm and log for common logarithm.)
1. [-/1 Points] DETAILS
MY NOTES TANAPCALC10 8.3.003.
ASK YOUR TEACHER
PRACTICE AN Find the critical point of the function. Then use the second derivative test to classify the nature of this point, if possible. (If an answer does not exist, enter DNE.)
f(x,y)=x2−y2−8x+2y+4
critical point (x,y)=□
classification □
Finally, determine the relative extrema of the function. (If an answer does not exist, enter DNE.)
relative minimum value □
relative maximum value □
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https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=35611257\&tags=autosave\#question4525502_0 Your best submission for each question part is used for your score. 2. [-/1 Points] DETAILS
MY NOTES
TANAPCALC10 8.3.005.MI.
ASK YOUR TEACHER
PRACTICE AI Find the critical point of the function. Then use the second derivative test to classify the nature of this point, if possible. (If an answer does not exist, enter DNE.)
f(x,y)=x2+2xy+2y2−6x+10y+4(x,y)=(□)−-Select– v Finally, determine the relative extrema of the function. (If an answer does not exist, enter DNE.)
relative minimum value □
relative maximum value □
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