Write the equation for the line graphed below.

y=ax+b

(-2; -2); (0;-1); (2; 0)

-1=a*0+b => b=-1

0=a*2+b

0=a*2-1

a*2=1 => a=1/2

y=x/2 -1

its 8

step-by-step explanation:

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.