A plumber charges a $45 fee to make a house call and then $25 for each hour of labor. The plumber uses an equation in the form y
2 answers:
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Answer:
B) .
Step-by-step explanation:
The vertex form of the equation is given by .
We plug in the vertex to obtain:
.
Since the graph passes through (5,5) and (9,5), they must satisfy its equation.
.
.
Divide both sides by 4.
Therefore the equation is:
.