The graph shows the amount that miracle maid service charges to clean a house. they charge a flat house visit fee plus an additional cost per room to clean a house. how much is the initial house visit fee?
a) $10
b) $20
c) $30
d) $4

In this case, the x-axis represents the number of rooms while the y-axis represents the cost of "x" number of rooms. Because the initial house visit fee has not yet included any rooms, we should be looking at x = 0 (also known as the y-intercept). The graph intercepts the y-axis halfway between 20 and 40.

Therefore, the initial house visit fee is $30

I hope this helps!

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