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1

Set 5: Function Notation (Beginner)

Explanation

Answer: D

PROBLEM

If f(x) = 2x + 10, find f(8).

If f(x) = 2x + 10, find f(8).

A.

24

B.

27

C.

28

D.

26

✓ Correct

Detailed Explanation

Choice D is the best answer. f(8) = 2(8) + 10 = 16 + 10 = 26

Why others are wrong:
A: 24 is incorrect because it does not satisfy the equation.
B: 27 is incorrect because it does not satisfy the equation.
C: 28 is incorrect because it does not satisfy the equation.
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