Precalc Sem 1 Review #2

Question 1

If f(t)=3t2-2, find f(k-2)

Accepted Answer

3k2-12k+10

Question 2

Using your calculator, solve this equation: log x = 4 - x

Accepted Answer

between 3.4 and 3.5

Question 3

Find cos (7π/6)

Accepted Answer

-√3/2

Question 4

Suppose that angle A terminates in Quadrant II and sin A =3/5. Find tan A.

Accepted Answer

-3/4

Question 5

Consider the function f(x)=-5sin(2x+8)+6 What is the maximum value?

Accepted Answer

11

Question 6

f(g(x))

Accepted Answer

D

Question 7

Find sec (-4π/3)

Accepted Answer

-2

Question 8

What is the remainder when p(x)=x4+x3-x2-2 is divided by x-2?

Accepted Answer

18

Question 9

Which of the following could be the equation of the function graphed here?

Accepted Answer

y=-2cos(3x)

Question 10

See image below:

Accepted Answer

6

Question 11

Suppose that angle A terminates in Quadrant III and sin A =-3/5. Find cos A.

Accepted Answer

-4/5

Question 12

Find the vertical asymptote for f(x)

Accepted Answer

x=0 and x=5/3

Question 13

Express as a single logarithm: 1/3 log x + 4 log y - 2 log z

Accepted Answer

C

Question 14

An function obtained by a vertical shrink of the graph of y=√x then shifting it up 20 units

Accepted Answer

C

Question 15

Find z as a degree measure rounded to one decimal place.

Accepted Answer

53.1°

Question 16

Consider the function f(x)=-5sin(2x+8)+6 What is the amplitude?

Accepted Answer

5

Question 17

Find the domain of the function f(t)=√(81-t2)

Accepted Answer

[-9,9]

Questions 17