SAT Math Multiple Choice Practice Question 16: Answer and Explanation
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Question: 16
16. 
This graph represents a function, f(x). Which of the following graphs could represent f(x + 4)?
A. 
B. 
C. 
D. 
E. 
Correct Answer: A
Explanation:
A. The function — f(x + 4) — moves the graph 4 units to the left because you're adding 4 to x. (Chapter 14 gives you more information on functions.)