Solve the equation.
3 (-5y+2) = 21

y= -1

Step-by-step explanation:

divide both side by 3

then you'll get -5+2=7

subtract 2 from both sides to get

-5y=5

divide -5 on both sides and you'll get y= -1

(hope my explanation made sense to you)

step-by-step explanation:

from the graph attached below:

domain of graph is the value of x for which the given function profit function p(x) is defined.

(a) the domain represents the number of years for which the outlet will earn a profit.

range of profit function defines the lowest to highest value of profit earned.

(b) the range of this function is (0 , 160 ). for this function, the range represents the outlet's profit earned.