Find the x-values (if any) at which f is not continuous. State whether the discontinuities are removable or nonremovable. (Enter your answers as comma-separated lists. If an answer does not exist, enter DNE.)
f(x)=x2−2x−8x+2
removable discontinuities
x=□
nonremovable discontinuities x=□
1) Determina dominio intersezioni con gli assi e segno della funzione y=x3−10x2+25x1 Indica se la funzione è pari, dispari o né pari né dispari. Disegna le parti di piano in cui la funzione esiste
4) Individua quali fra i seguenti punti non appartengono al grafico della funzione
f(x)=x1−x2
[a] (1;0)
(b) (0;1)
[C] (−2;23)
(motiva la risposta)
[i] (−1;0)
[e) (−3;−310)
4) Individua quali fra i seguenti punti non appartengono al grafico della funzione
f(x)=x1−x2
[a] (1;0)5(0;1)
E (−2;23)
(motiva la risposta)
[] (−1;0)
[e (−3;−310)
4) Jack is a freshman attending a 4 -year college. He has been approved for an $8,900 subsidized federal loan at 4.75% for 10 years. How much will the U.S. Department of Education subsidize in interest costs during the 4.5-year nonpayment period. Use I= Prt.
202 Duante le riprese di un film di azione, un oggetto viene lanciato dalla fonestra di un grattacielo a unaltezza di 60,0m verso una parete verticale distante 25,0m. La velocità con cui l'oggetto viene lanclato è inclinata di 45,08 verso lalto rispetto all'orizzontale, mentre quella con cui impatta sulla parete forma un angolo di 60∘ verso il basso con lorizzontale. Trova:
a. il modulo della velocità di lancio:
b. laltezza dal suolo del punto di impatto con la parete.
[13,4 m/s; 50,8m]
Question 10 of 10
An object with a mass of 10 kg has a potential energy of 2000 J . Based on this Information, how high above the ground is the object? (10 points)
A. 196000 m
B. 20000 m
Roger factored a polynomial to determine that the zeros of the polynomial are located at x=−5,x=−2 and x=3. Which of the following functions is the factored form of that polyno
A. f(x)=(x+5)(x+2)(x+3)
B. f(x)=(x−5)(x−2)(x−3)
C. f(x)=(x−5)(x−2)(x+3)
D. f(x)=(x+5)(x+2)(x−3)
17. Reflect the function f(x)=x3 about the x-axis and translate it 3 units to the left to produce g(x). Which equation represents the function g(x) ? g(x)=−(x+3)3 g(x)=−x3−3 g(x)=−x3+3 g(x)=−(x−3)3
11. The function g(x)=4(x−6)3−2 was created by transforming f(x)=x3. To create g(x),f(x) was -Choose the correct answer - - , then was
and then was -Choose the correct answer - .
- Choose the correct answer -
stretched vertically by a factor of 4
Clear All
compressed vertically by a factor 4
2. Which set of ordered pairs represents y as a function of x ?
A. {(2,5),(3,7),(4,9),(5,11)}
B. {(−1,6),(−4,3),(0,5),(−1,8)}
C. {(0,25),(−1,17),(14,−9),(0,−3)}
D. {(−5,−5),(−5,9),(−4,−2),(−3,1)}
7. Let f(x)=2x4−4x3−22x2+32x+48.
a. (2 points) Use your graphing calculator to find the integer zeros of y=f(x).
b. (6 points) Use synthetic or polynomial division to find any remaining real zeros (if any exist).
c. (4 points) Factor f completely over the real numbers. Here, "completely factor" means that f should be made up of only linear and/or irreducible quadratic factors. An irreducible quadratic is a quadratic function with no real zeros such as x2+1.
f(x)=
Factor the expression completely.
392x4−128x2y2 Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. 392x4−128x2y2=□
(Simplify your answer.)
B. 392x4−128x2y2 is prime.
5. Which of the following values of x does not lie in the domain of y=−25−2x ?
(1) -3
(3) 2.5
(2) 2
(4) 4 COMMON CORE Algebra II, Final ASSESSMENTS
(1)
New! Multi Part Question - when you answer this question we'll mark each part individually
Bookwork code: 1E
Calculator
allowed Work out the solutions to these simultaneous equations:
xy2=5−y=3x+28 If any of your answers are decimals, give them to 2 d.p.
recelculus
Q-s Propertes of matrices w.
Ras bave gris If E=[−3−313−11],F=⎣⎡54−31−1−3⎦⎤, and G=[−5−2−11], is the following statement true or false?
E(FG)=(G)F
true
false
Subm:
Math 2A REVIEW
SHOW ALL WORK
Unit 5 Module 9 Linear Equations and Inequalities
Name
Datel Per
LT SA: I can solve and write multi-step equations that intudo declmbls and froctions. I can solve the eral equaktons.
1) Solve the equation for x.
2) Solve the equation for x.
7x+8(x−3)=12−3x14.3h−6.5h=10.3h+9
5 Stacy graphed the line y−5=2(x−4) on a coordinate grid. What is the slope and y-intercept of this line?
(A) Slope: 2, y-intercept: -3
(B) Slope: 2,y-intercept: 3
(C) Slope: 1/2,y-intercept: 3
(D) Slope: 1/2,y-intercept: -3
b. Is the relation a function? Explain. The relation is not a function because □ there is an input that is assigned more than □
Question 2 of 12
Back
Next
Review Progress
Sign out
Dec 16
9:22 INTL
If the range of a quadratic function is 5≤y<∞, which of the following could be true?
None of these are correct.
The parabola has a maximum at (2,5).
The parabola has a minimum at (2,1).
The parabola has a maximum at (5,1).
Factoring the following polynomial completely using the greatest common factor. If the expression cannot be factored enter the expression as is.
81x5−99x4+9x2
6 vans transported a total of fkg of food to a wedding venue. Each van transported the same amount of food, which was at least 30 kg . Write and solve an inequality for f.
A bridge is supported by three arches. The function that describes the arches is h(x)=−0.25x2+2.375x, where h(x) is the height, in metres, of the arch above the ground at any distance, x, in metres, from one end of the bridge. How far apart ar the bases of each arch?
1) 9.5 m
2) 9.2 m
3) 8.6 m
4) 10.3 m
Questions 1 through 3 refer to the following.
The function f is given by f(x)=2.5x4+3x3−2.6x2−5.1x−5.6. 2
2
Mark for Review
Part B
Find all real zeros of f.
Note On your AP Exam, you will handwrite your responses to free-response questions in a test booklet B
□ I u
U
Ω✓
do
国
睨
⇆→x2x2
I
Frintrics Question 3
Usten You are given the following polynomials:
f(x)=x4−x2g(x)=x3+x2h(x)=x4+x2 Determine the new polynomial and appropriate names for f(x)+g(x) and f(x)−n(x).
(Wress on an item in the answer box, and then press on the box under the corresponding category. To remove an item, you can press on the box and the trash icon to the right of the ltem you want to remove.
f(x)+g(x)F(x)−h(x) Answer Bank
binomial
x4+x2
quadratic
quartic
−2x2
uestion 34 (2 points)
A quadratic function has an equation that can be written in the form f(x)=a(x−H(x− s). The graph of the function has x-intercepts at (−4,0) and (2,0) and passes through the point (−2,−8). Write the equation of the function.
c) Joey wants to transform the parent function g(t)=tinto g(t)=−3(t−0.9)2−2. Which is not a step in that transformation?
(A) Reflection across the x-axis
(B) Translation 0.9 units right
(C) Vertical shrink by a factor of 3
(D) Translation 2 units down
What are the solutions to 100x2−1=0 ?
Use the keypad to enter your answers in the boxes.
Find more symbols by using the drop-down arrow at the top of the keypad. The solutions to the quadratic equation are x=□ and x=□
Write the equation of the line that passes through the points (−6,7) and (4,−1). Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line. Answer Attempt 2 out of 2
Submit Answer
Solve using the quadratic formula.
k2−k−4=0 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
k=□ or k=□
Submit
Solve using the quadratic formula.
−2t2+9t+7=0 Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
t=□ or t=□
Soit le sinte μn sefin por {μ0=4μn+1=21μn+5
a) calculer μ1,μ2,μ3.
b) justifier que (un) ni erthimethique ni Gcométrique
o) expore vn=μn−10.
a) Montre que (vn)(S⋅G).
b) Exprimer vn puis un enfonction den
d) oxpose Sn=∑k=0n−1vk et Sn′=∑k=0n−1μk
a) experime Sn pins sn'enfonction dek.
b) aluiler S325 et S2024.
Write an expression to describe the sequence below. Use n to represent the position of a term
Questions
answered
in the sequence, where n=1 for the first term.
−65,−64,−63,−62,…
13
Solve the inequality.
∣x+8∣>1 Select the correct choice below and, if necessary, fill in the answ
A. The solution is □ (Type your answer in interval notation
B. The solution set is ∅.
Question 12
1 pts What is the current price of a $1,000,6% coupon bond that pays interest semi-annually if the bond matures in ten years and has a yield-to-maturity of 7.1325% ?
None of the given answers is correct.
920
567
1,030
1,080
Which of the following is the correct simplified difference quotient for f(x)=x−32x?−(x+h−3)(x−3)2(x+h−3)(x−3)2−(x+h−3)(x−3)2h(x+h−3)(x−3)2h
Nothing in this list is correct.
12. Use the elimination method by subtraction to solve for x and y. Equation 14x−3y=−4
Equation 24x+5y=28 12a First solve for y.
Enter your next step here
12b
Submit step
exam will have 30 multiple-choice questions. The procedures are similar to the previous exam. e 60 minutes to complete the exam. "None of the given answers is correct" means all four answers a rrect. Please be on time. Only one attempt is allowed. One question is shown at a time and is lockec wering or skipped. Question 24
1 pts Assume we have a PLAM for a $450,000 mortgage with a 30 -year term and monthly payments. The "real" loan rate is 4%, with inflation rates of 6%,5%, and 4% for years 1,2 , and 3 , respectively. The inflation adjustments to the loan balance are assumed to be made annually. What is the mortgage balance at the end of the month 43rd?
None of the given answers is correct.
475,658
484,604
488,659
457,658
CCA2 > Chapter 2 > Lesson 2.1.2 > Problem 2-24 Consider the equations y=3(x−1)2−5 and y=3x2−6x−2.
a. Verify that they are equivalent by creating a table or graph for each equation.
□✓ Hint (a):
Here are a couple of points on the table. Make sure you get these points and continue both of your tables for at leas
\begin{tabular}{c|c|}
\hlinex & y \\
\hline-2 & 22 \\
\hline-1 & \\
\hline 0 & \\
\hline 1 & -5 \\
\hline 2 & \\
\hline
\end{tabular}
Home > CCA2 > Chapter 2 > Lesson 2.1.2 > Problem 2-29 2-29. Suppose your parents spend an average of $300 each month for your food.
a. In five years, when you are living on your own, how much will you be spending on food each month if you are eating about 4% per year?
□✓ Hint (a):
Each year, food will cost 1.04 times the cost of the previous year.
✓ Answer (a):
300(1.04)5≈365.00
b. Write an equation that represents your monthly food bill x years from now if both the rate of inflation and your eating
Hint (b):
What does the exponent mean in the equation used in part (a)?
Write an equation in point-slope form of the line that passes through the given point and with the given slope m.
(−6,5);m=7 The equation of the line is □
(Simplify your answer. Type your answer in point-slope form.)
Rewrite x2+14x−10=0 in the form (x−p)2=q by completing the square.
Use the keypad to enter your answer in the box.
Find more symbols by using the drop-down arrow at the top of the keypad.
x2+14x−10=0 in the form (x−p)2=q is □ 7.