3. The vertex of y = -3x² + 6x -5 isа. (1,-2)b. (1, 1)C. (-1, 1)d. (-1, -2)4. Given f(x) = x² – 4x + 5, if f(a) =1, what is the value of a?а. 5b. 3С. 2d. 15. Which is the correct equation when y = 5* is translated 4 units down and 3 units left?a. Y = 5x*4-3b. Y= 5*-4 -3C. Y = 5*+3 - 4d. Y = 5x-3 - 46. Which is correct about exponential functions?a. The ratio of successive first differences is constant.b. The first differences are constant.С.The first differences are zero.d. The second differences are constant.7. A bacterial colony with an initial population of 120 triples every day. Which equation models this exponentialgrowth?a. P 3 X 120"b. P 120 X 3"P = 120 X 3nd. P= 120 X 2"8. What is the formula for the general term of an arithmetic sequence with a = 5 and d = 3?С.a.Tn = 8+5nb. Tn 2 +3nC. Tn 8+3nd. Tn = 5n- 2

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Answered: 3. The vertex of y = -3x2 + 6x-5 is a.…

3. The vertex of y = -3x2 + 6x-5 is a. (1, -2) b. (1, 1) C. (-1, 1) d. (-1, -2) 4. Given f(x) = x? - 4x + 5, if f(a) =1, what is the value of a? а. 5 b. 3 С. d. 1

Algebra for College Students

10th Edition

ISBN:9781285195780

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter13: Conic Sections

Section13.1: Circles

Problem 48PS

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Question

3. The vertex of y = -3x² + 6x -5 is
а. (1,-2)
b. (1, 1)
C. (-1, 1)
d. (-1, -2)
4. Given f(x) = x² – 4x + 5, if f(a) =1, what is the value of a?
а. 5
b. 3
С. 2
d. 1
5. Which is the correct equation when y = 5* is translated 4 units down and 3 units left?
a. Y = 5x*4-3
b. Y= 5*-4 -3
C. Y = 5*+3 - 4
d. Y = 5x-3 - 4
6. Which is correct about exponential functions?
a. The ratio of successive first differences is constant.
b. The first differences are constant.
С.
The first differences are zero.
d. The second differences are constant.
7. A bacterial colony with an initial population of 120 triples every day. Which equation models this exponential
growth?
a. P 3 X 120"
b. P 120 X 3"
P = 120 X 3n
d. P= 120 X 2"
8. What is the formula for the general term of an arithmetic sequence with a = 5 and d = 3?
С.
a.
Tn = 8+5n
b. Tn 2 +3n
C. Tn 8+3n
d. Tn = 5n- 2

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