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9

Set 4: Linear Functions (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = 6x - 2, find f(3).

If f(x) = 6x - 2, find f(3).

A.

16

✓ Correct
B.

20

C.

18

D.

10

Detailed Explanation

Choice A is the best answer. f(3) = 6(3) - 2 = 16

Why others are wrong:
B: 20 is incorrect because it does not satisfy the equation.
C: 18 is incorrect because it does not satisfy the equation.
D: 10 is incorrect because it does not satisfy the equation.
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