Kristine is running the freshman dass fundraiser. They are selling key chains. They amount of money they make is computed using the function y=2x-100, wherex represents the number of key chains sold
a What does they intercept mean in this problem?
How much are they selling the key chains for?
cf they make $600 how many key chains did they sel

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)

i think you forgot some signs inbetween? if so comment and i'll try to