The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $420 to drive 500 mi and in June it cost her $444 to drive 620 mi. (a) Express the monthly cost C as a function of the distance driven d, assuming that a linear relationship gives a suitable model. C(d)

Step-by-step explanation:

Given

So:

--- May

--- June

Required

Express as a function

Start by calculating the slope (m)

Simplify

The equation is:

Take LCM

answer is : muchas/tipicas

have a nice day!

~recklesschicken

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363