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3

Set 1: Linear Functions (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = x + 7, find f(5).

If f(x) = x + 7, find f(5).

A.

12

✓ Correct
B.

7

C.

10

D.

35

Detailed Explanation

Choice A is the best answer. f(5) = 5 + 7 = 12

Why others are wrong:
B: 7 is incorrect because it does not satisfy the equation.
C: 10 is incorrect because it does not satisfy the equation.
D: 35 is incorrect because it does not satisfy the equation.
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