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Penelope is moving and must rent a truck. There is an initial charge for the rental plus a fee per mile driven. Let C represent the total cost of renting the truck when the truck is driven m miles. A graph of C is shown below. Write an equation for C then state the y-intercept of the graph and determine its interpretation in the context of the problem.

Answer :

rspill6

Answer:

Step-by-step explanation:

I don't see a graph, but I'll answer what I can.

C = total cost of truck rental

. . will be equal to the initial charge, which I'll call IC, and a fee per mile, which I'll call F.  m is the miles driven.

C = IC + Fm   [Total cost is the initial cost plus mileage charge for m miles].

Rewrite this in standard format of y = mx + b, where m is the slope and b is the y-intercept.  

C = Fm + IC

The graph will be a straight line with slope F and y-intercept IC.  The x axix is miles driven, and the y axis is Total Cost.  If the mileage fee were $0.20/mile, the slope would be 0.20.

The attached graph is the result for IC = $100 and F is $0.20/mile.  Miles are on the x axis and total cost on the y.

${teks-lihat-gambar} rspill6

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