SAT Math Multiple Choice Practice Question 279: Answer and Explanation

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Question: 279

15.

Several values of the function f are shown above. The function g is defined by . What is the value of g (3)?

A. -21
B. -13
C. 3
D. 11
E. 21

Correct Answer: E

Explanation:

E According to the definition of g . According to the table, , so .

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