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2

Set 5: Linear Functions (Beginner)

Explanation

Answer: D

PROBLEM

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

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

A.

6

B.

16

C.

20

D.

12

✓ Correct

Detailed Explanation

Choice D is the best answer. f(2) = 8(2) - 4 = 12

Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 16 is incorrect because it does not satisfy the equation.
C: 20 is incorrect because it does not satisfy the equation.
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