Spring Precalculus Final Exam Review #1

Question 1

How many real solutions are there to the equation

Accepted Answer

1

Question 2

What is the value of k for which x2 + 2kx + k2 is a perfect square?

Accepted Answer

Any real number

Question 3

Which of the following is a solution to the inequality?

Accepted Answer

3π/2

Question 4

What is the number of points of intersection of the graphs of x2 + y2 = 1 and x2 + 4y2 = 4?

Accepted Answer

2

Question 5

Find (f ∘ g)(x).

Accepted Answer

x

Question 6

What is your teacher's favorite concept in Precalculus?

Accepted Answer

Word Problems, Trigonometry, Difference Quotient, Library of Functions

Question 7

Solve for x:

Accepted Answer

34

Question 8

The following polar equation represents the graph of

Accepted Answer

a line

Question 9

What is f -1(x) when x = 9?

Accepted Answer

100

Question 10

3 numbers in an arithmetic sequence have a sum of 30 and product of 640. What is the smallest?

Accepted Answer

4

Question 11

A right cylinder is inscribed in a 10 x 10 x 10 cube. What is the ratio of their volumes?

Accepted Answer

4/π, π/4

Questions 11