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1

Set 3: Linear Functions (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = 3x - 2, find f(4).

If f(x) = 3x - 2, find f(4).

A.

10

✓ Correct
B.

12

C.

14

D.

6

Detailed Explanation

Choice A is the best answer. f(4) = 3(4) - 2 = 10

Why others are wrong:
B: 12 is incorrect because it does not satisfy the equation.
C: 14 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.
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