3
Answer: BSet 3: Function Notation (Beginner)
Explanation
PROBLEM
If f(x) = 4x - 1, find f(10).
If f(x) = 4x - 1, find f(10).
A.
37
B.✓ Correct
39
C.
41
D.
40
Detailed Explanation
Choice B is the best answer. f(10) = 4(10) - 1 = 40 - 1 = 39
Why others are wrong:
A: 37 is incorrect because it does not satisfy the equation.
C: 41 is incorrect because it does not satisfy the equation.
D: 40 is incorrect because it does not satisfy the equation.