7
Answer: ASet 5: Function Notation (Intermediate)
Explanation
PROBLEM
If f(x) = 5x + 13, find f(2).
If f(x) = 5x + 13, find f(2).
A.✓ Correct
23
B.
25
C.
26
D.
22
Detailed Explanation
Choice A is the best answer. f(2) = 5(2) + 13 = 10 + 13 = 23
Why others are wrong:
B: 25 is incorrect because it does not satisfy the equation.
C: 26 is incorrect because it does not satisfy the equation.
D: 22 is incorrect because it does not satisfy the equation.