6
Answer: CSet 3: Function Notation (Intermediate)
Explanation
PROBLEM
If f(x) = 1x + 3 and g(x) = 4x + 4, find f(g(6)).
If f(x) = 1x + 3 and g(x) = 4x + 4, find f(g(6)).
A.
30
B.
34
C.✓ Correct
31
D.
32
Detailed Explanation
Choice C is the best answer. g(6) = 4(6) + 4 = 28. f(28) = 1(28) + 3 = 31
Why others are wrong:
A: 30 is incorrect because it does not satisfy the equation.
B: 34 is incorrect because it does not satisfy the equation.
D: 32 is incorrect because it does not satisfy the equation.