190k views
3 votes
7.If you raised $15 byday 2 and by day 7 youhad $75. What is therate of change?

User Aji
by
6.4k points

1 Answer

5 votes

We have the following:

the rate of change is equal to a slope, therefore we can calculate it as follows:


m=(y_2-y_1)/(x_2-x_1)=(75-15)/(7-2)=(60)/(5)=12

The rate of change is $12/day

User Tehnix
by
5.5k points