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Answer: ASet 5: Function Notation (Intermediate)
Explanation
PROBLEM
If f(x) = 3x + 3 and g(x) = 3x + 3, find f(g(6)).
If f(x) = 3x + 3 and g(x) = 3x + 3, find f(g(6)).
A.✓ Correct
66
B.
67
C.
64
D.
65
Detailed Explanation
Choice A is the best answer. g(6) = 3(6) + 3 = 21. f(21) = 3(21) + 3 = 66
Why others are wrong:
B: 67 is incorrect because it does not satisfy the equation.
C: 64 is incorrect because it does not satisfy the equation.
D: 65 is incorrect because it does not satisfy the equation.