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6

Set 5: Linear Functions (Beginner)

Explanation

Answer: D

PROBLEM

If f(x) = 4x + 8, find f(2).

If f(x) = 4x + 8, find f(2).

A.

12

B.

18

C.

10

D.

16

✓ Correct

Detailed Explanation

Choice D is the best answer. f(2) = 4(2) + 8 = 16

Why others are wrong:
A: 12 is incorrect because it does not satisfy the equation.
B: 18 is incorrect because it does not satisfy the equation.
C: 10 is incorrect because it does not satisfy the equation.
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