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1

Set 2: Function Notation (Intermediate)

Explanation

Answer: D

PROBLEM

If f(x) = 3x + 4 and g(x) = 4x + 2, find f(g(6)).

If f(x) = 3x + 4 and g(x) = 4x + 2, find f(g(6)).

A.

83

B.

85

C.

79

D.

82

✓ Correct

Detailed Explanation

Choice D is the best answer. g(6) = 4(6) + 2 = 26. f(26) = 3(26) + 4 = 82

Why others are wrong:
A: 83 is incorrect because it does not satisfy the equation.
B: 85 is incorrect because it does not satisfy the equation.
C: 79 is incorrect because it does not satisfy the equation.
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