Bluebook SAT Test Bluebook SAT Math: Advanced Functions Questions and Answers 2

Question 1

If f(x) = x² - 4x + 7, what is the minimum value of f(x)?

Accepted Answer

3

Answer

7

Answer

-4

Answer

2

Question 2

A function g is defined by g(x) = 2^x. What is the value of g(g(2))?

Accepted Answer

256

Answer

16

Answer

8

Answer

32

Question 3

The function h(x) = |2x - 6| equals zero when x =

Accepted Answer

3

Answer

6

Answer

-3

Answer

0

Question 4

If f(x) = 3x + 1 and g(x) = x², what is f(g(x))?

Accepted Answer

3x² + 1

Answer

9x² + 1

Answer

(3x+1)²

Answer

3x + x²

Question 5

Which of the following is an even function?

Accepted Answer

f(x) = x⁴ - 2x²

Answer

f(x) = x³ + x

Answer

f(x) = x² + x

Answer

f(x) = x⁵

Question 6

If the graph of y = f(x) is shifted 3 units to the right, the new equation is:

Accepted Answer

y = f(x - 3)

Answer

y = f(x + 3)

Answer

y = f(x) - 3

Answer

y = f(x) + 3

Question 7

The inverse of f(x) = 5x - 2 is:

Accepted Answer

f⁻¹(x) = (x + 2)/5

Answer

f⁻¹(x) = (x - 2)/5

Answer

f⁻¹(x) = 5x + 2

Answer

f⁻¹(x) = 1/(5x - 2)