SOLUTION: What is the linear function giving the total charge as a function of the number of hours the job takes: An appliance repair person charges $225 of a 6 hour job and $155 for a 4 hou

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Question 1069040: What is the linear function giving the total charge as a function of the number of hours the job takes: An appliance repair person charges $225 of a 6 hour job and $155 for a 4 hour job.
Express the function in slope-inetercept form.
Y=mix+b
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Find the equation for the line which contains points (6,225) and (4,155).

m slope is what the repairman charges per hour and b is the fixed fee.