Question

FAN AND MEDAL

Answer 1

For Grace, put 18 for x and solve

Answer 2

ye

Answer 3

wdym

Answer 4

oh

Answer 5

ye positive is correct

Answer 6

Plug x=18 in the two functions

Answer 7

The first function is given
And second can be predicted from graph

Answer 8

Y=800x+7600 will be the second function
And y=1000x+7600 is first function....
Plug x=18 in both of them.

Answer 9

That's a part

Answer 10

When you plug x=18 ,you will get the money each girl have for their college

Answer 11

So Grace will have =18000+7600=25600
And Claire will have =800*18+7600=14400+7600=22000