#1**+2 **

The 'break even' is when the two functions are equal...so set them equal

20 + 30h = 10 h^2 - 80 re-arrange and solve for h

10h^2-30h -100 = 0 use Quadratic formula to find h = 5 or -2 (throw out)

ElectricPavlov Jan 9, 2020

#1**+2 **

Best Answer

The 'break even' is when the two functions are equal...so set them equal

20 + 30h = 10 h^2 - 80 re-arrange and solve for h

10h^2-30h -100 = 0 use Quadratic formula to find h = 5 or -2 (throw out)

ElectricPavlov Jan 9, 2020