# Math

posted by
**Tracy S** on
.

f (x)= {$50 if 0< x <60}

{_4_

3 X - 30 if x >60}

What is the cost if the repair man works for 45 minutes?

What is the cost if the repair man works for 105 minutes?

What is the computer repair manâ€™s rate policy? Explain in real terms