Bluebook SAT Test Algebra and Functions 2

Question 1

If f(x) = 4 - x² and g(x) = 2x, what is (f + g)(3)?

Accepted Answer

1

Answer

7

Answer

-5

Answer

11

Question 2

The linear function f satisfies f(0) = 5 and f(3) = -1. What is f(9)?

Accepted Answer

-13

Answer

-11

Answer

3

Answer

-7

Question 3

Which function has a range of all real numbers?

Accepted Answer

f(x) = x³

Answer

f(x) = x²

Answer

f(x) = √x

Answer

f(x) = 1/x

Question 4

If f(2x + 1) = 4x² + 4x - 3, what is f(5)?

Accepted Answer

21

Answer

17

Answer

13

Answer

9

Question 5

The graph of y = f(x) is shifted 3 units left and 2 units down. Which equation represents the new graph?

Accepted Answer

y = f(x + 3) - 2

Answer

y = f(x - 3) + 2

Answer

y = f(x + 3) + 2

Answer

y = f(x - 3) - 2

Question 6

For f(x) = (x + 1)/(x - 1), which value is NOT in the domain of f?

Accepted Answer

1

Answer

-1

Answer

0

Answer

2

Question 7

If f(x) = 2^x and g(x) = log₂(x), what is f(g(16))?

Accepted Answer

16

Answer

4

Answer

256

Answer

8

Question 8

The graph of f(x) passes through (0, 3) and (2, 11). If f is linear, what is f(5)?

Accepted Answer

23

Answer

19

Answer

27

Answer

15