Question

Find the equation of the line in the graph and mathematically model the scenario using the function notation where cost is a function of number of minutes.

Answer 1

do you know how to find slope?

Answer 2

@pic1e

Answer 3

@Tyler1992

Answer 4

den slope m= y2-y1/x2-x1 den put y-y1=m(x-x1)

Answer 5

is that the answer ? @divu.mkr

Answer 6

obv not... thats the formula

Answer 7

o... umm im sorry idrk how to do this

Answer 8

put y1=20 y2=40 x1=0 x2=400 den get the eqn

Answer 9

okk?? @pic1e

Answer 10

@divu.mkr im so lost ... whats that up there

Answer 11

i gave you formula... you have to just plug the values..

Answer 12

that's the thing I don't get it ... explain it to me please :) @divu.mkr

Answer 13

@divu.mkr