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8

Set 1: Linear Functions (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = 3x + 1, find f(2).

If f(x) = 3x + 1, find f(2).

A.

7

✓ Correct
B.

5

C.

9

D.

6

Detailed Explanation

Choice A is the best answer. f(2) = 3(2) + 1 = 7

Why others are wrong:
B: 5 is incorrect because it does not satisfy the equation.
C: 9 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.
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