D x ≥ 0
A reasonable domain for the function would be x ≥ 0, because time in hours for a car repair cannot be negative.
The function f(x) = 75x + 150
models the price a mechanic charges to fix a car, where x is the time in hours for the repair. What is a reasonable domain for the function?
B X≤
• x
C x>0
D ×≥0
1 answer