Most plumbing companies charge a fee to come to your
house plus a charge per hour of work. The fees and
charges for two plumbing companies are shown.
Write an equation for each company, where c 5 total cost
(in dollars) and h 5 number of hours. Explain what the
initial values and rates of change mean in this context.

this is not the answer this is just a question. is this middle school math?

step-by-step explanation:

you need to give us more information since we can't answer

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)