Homework Help: Math

Posted by Tracy S on Sunday, January 22, 2012 at 9:17am.

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 man’s rate policy? Explain in real terms

Math - Reiny, Sunday, January 22, 2012 at 10:05am
I cannot make out you second equation

is it

(4/3) x - 30
or
4/(3x-30)
or .....

secondly, how is x defined.

Answer this Question

Related Questions

math - f (x)= {$50 if 0< x <60} {_4_ ...
algebra - Rashid is helping to plan a cookout. He determines that making one ...
geometry - measures of a triangle. m<a=(x+30) m<b=x M<c=(x+...
college math - 18. Please answer questions 18-19 using the following ...
High School Math - Y over -6 > 10 and i need to solve A. y < &...
geometry - in triangle PQR ~ -- ~ -- if m<P = PQ = QR. 4x + 50, m<...
Math - help with these questions~ Thank you 1. Determine the interval(s) on ...
college ststistics - find area under the standard normal curve A). p(z>0....
operation research 1 - Use simplex method to solve Maximize p = 30x + 20y+30z ...
Operating research - Use simplex method to solve Maximize p = 30x + 20y+30z ...

For Further Reading

First Name:
School Subject:
Answer: