Question 11

Solve for x

log x = log (2x-3)

Group of answer choices

A. none of these answers

B. x=2/3

C. x=3

D. x=3/2

Question 12

Solve the given equation, and give solutions for x

log (x+2) + log (x-1) = 1

Group of answer choices

A. none of these answers

B. x = 4 and x = 3

C. x = -4 and x = 3

D. x = 3 only

Question 13

Solve for x

2^(3x-1) = 8

Group of answer choices

A. x=2/3

B. none of these answers

C. x=4/3

D. x=1

Question 14

10^(x+5) -8 = 60

Group of answer choices

A. x= -3.16

B. x = -6.83

c. x = 6.83

D. none of these answers

Question 15

find zeros and their multiplicity for

f(x) = 3 (x +1)² (x-2)

Group of answer choices

A. none of these answers

B. 1 with multiplicity two, and -2 with multiplicity one.

C. 1 with multiplicity two, and 2 with multiplicity one.

D. -1 with multiplicity two, and 2 with multiplicity one.

Question 16

There is an ellipse with equation given below

(x² /4 ) + (y² /16) = 1

what are the coordinate of the two foci?

Group of answer choices

A. (3.46, 0) and (0, -3.46)

B. none of these answers

C. (0, 3.46) and (0, -3.46)

D. (3.46, 0) and (-3.46, 0)

Question 17

Write equation of a line that goes through points (-2, 3) and (-1, 5).

Group of answer choices

A. y = 2x + 5

b. none of these answers

C. y = -2x + 5

D. y = 2x +7

Question 18

finding the end behavior:

let f(x) = -3x³ -4x² +5x +1, as x -> infinity, f(x) -> ?

hint: for the f(x) given above, as x goes to infinity, f(x) goes to what?

Group of answer choices

A. 0

B. none of these answers

C. - infinity

D. infinity

Question 19

f(x)=x²-3x

find f(x+h)

Group of answer choices

A. x²+h²-3x+3h

B. x²+h²-3x-3h

C. x²+2xh+h²-3x-3h

D. none of these answers

Question 20

combine into one log expression

log (x-1) + log (x+1) - log x - log 3

Group of answer choices

A. log [(x -1)(x+1)/(3+x)]

B. log [(x² -1)/(3+x)]

C. log [(x² -1)/(-3-x)]

D. log [(x² -1)/3x]

Question 21

let f(x)= 3x- 5, find an expression for inverse of f(x)

Hind, find f^-1(x) =?

Group of answer choices

A. (x+5)/3

B. No answer text provided.

C. 3x+5

D. (x+3)/5