mackjune18 mackjune18

02-11-2014
Mathematics

Answered

phone plan. The monthly cost c of marge's phone plan is given by c=40 + m, where m is the number of extra minutes she uses in that month. Name the slope and y-intercept in this situation, and explain what each represents

Answer :

03-11-2014

this equation takes the form y=mx+c.
however many minutes she uses, the base rate is 40.
y=mx+40.
c, 40 is the y intercept as it is when the number of miutes is 0.
there is no constant for m so we say it is 1. for every 1 minute used, the price goes up 1.

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