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5

Set 3: Function Notation (Intermediate)

Explanation

Answer: D

PROBLEM

If f(x) = 7x - 5, find f(6).

If f(x) = 7x - 5, find f(6).

A.

35

B.

40

C.

36

D.

37

✓ Correct

Detailed Explanation

Choice D is the best answer. f(6) = 7(6) - 5 = 42 - 5 = 37

Why others are wrong:
A: 35 is incorrect because it does not satisfy the equation.
B: 40 is incorrect because it does not satisfy the equation.
C: 36 is incorrect because it does not satisfy the equation.
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