5
Answer: ASet 1: Linear Functions (Intermediate)
Explanation
PROBLEM
If f(x) = 5x - 10, find x when f(x) = 0.
If f(x) = 5x - 10, find x when f(x) = 0.
A.✓ Correct
2
B.
10
C.
5
D.
0
Detailed Explanation
Choice A is the best answer. 5x - 10 = 0. 5x = 10, x = 2
Why others are wrong:
B: 10 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 0 is incorrect because it does not satisfy the equation.