Bluebook SAT Test Bluebook SAT Math: Advanced Functions Questions and Answers 3

Question 1

The function f(x) = (x - 1)(x + 3) has x-intercepts at:

Accepted Answer

x = 1 and x = -3

Answer

x = -1 and x = 3

Answer

x = 1 and x = 3

Answer

x = -1 and x = -3

Question 2

If f(x) = √(x + 4), what is the domain of f?

Accepted Answer

x ≥ -4

Answer

x > -4

Answer

x ≥ 4

Answer

all real numbers

Question 3

A function f satisfies f(2) = 5 and f(5) = 11. If f is linear, what is f(8)?

Accepted Answer

17

Answer

14

Answer

19

Answer

22

Question 4

If g(x) = x² + bx + c has a vertex at (3, -4), what is the value of b?

Accepted Answer

-6

Answer

6

Answer

-3

Answer

3

Question 5

For f(x) = |x - 2| + 1, which statement is true?

Accepted Answer

The minimum value of f is 1

Answer

The minimum value of f is 0

Answer

f has no minimum

Answer

The minimum value of f is 2

Question 6

If f(x) = 2x - 4 and g(x) = x/2 + 2, then f(g(x)) =

Accepted Answer

x

Answer

2x

Answer

x - 2

Answer

4x - 4

Question 7

Which transformation maps y = x² onto y = (x + 2)² - 5?

Accepted Answer

Shift left 2, down 5

Answer

Shift right 2, down 5

Answer

Shift left 2, up 5

Answer

Shift right 2, up 5