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8

Set 2: Function Notation (Beginner)

Explanation

Answer: A

PROBLEM

If f(x) = 5x + 3, find f(1).

If f(x) = 5x + 3, find f(1).

A.

8

✓ Correct
B.

9

C.

7

D.

10

Detailed Explanation

Choice A is the best answer. f(1) = 5(1) + 3 = 5 + 3 = 8

Why others are wrong:
B: 9 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 10 is incorrect because it does not satisfy the equation.
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