7
Answer: BSet 5: Function Notation (Beginner)
Explanation
PROBLEM
If f(x) = 4x + 4, find f(6).
If f(x) = 4x + 4, find f(6).
A.
25
B.✓ Correct
28
C.
31
D.
26
Detailed Explanation
Choice B is the best answer. f(6) = 4(6) + 4 = 24 + 4 = 28
Why others are wrong:
A: 25 is incorrect because it does not satisfy the equation.
C: 31 is incorrect because it does not satisfy the equation.
D: 26 is incorrect because it does not satisfy the equation.