Moving company charges $115 to rent a truck for a three day. plus an additional $.83 for each mile driven. the average cost per mile for a three day period is given by the rational expression 115+.83x over x, where x is the number of miles driven during the rental period. what does the numerator of the rational expression represents?

It is basically the total cost that it will covver for the three days with the number of miles it travels.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation: