Set 5: Linear Functions (Beginner)

**Choice B is the best answer.** f(1) = 7(1) + 2 = 9

Explanation

Answer: B

PROBLEM

If f(x) = 7x + 2, find f(1).

✓ Correct

Detailed Explanation

Choice B is the best answer. f(1) = 7(1) + 2 = 9

Why others are wrong:

A: 7 is incorrect because it does not satisfy the equation.

C: 11 is incorrect because it does not satisfy the equation.

D: 3 is incorrect because it does not satisfy the equation.

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