SAT Math Multiple Choice Practice Question 408: Answer and Explanation

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Question: 408

12. If f(x) = , what is the value of f(1) ?

A. -2
B. -1
C. 1
D. 2
E. 3

Correct Answer: D

Explanation:

D Absolute value, a number's distance from zero on a number line, is always expressed as a positive number. Cross out A and B since both are negative. Solve the function with x = 1: f(1) = |(|1| ? 3)| = 2.

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