Question

the profit function for a new product is given by p(x)=-4x^2+28-40 where x is the number sold in thousands. How many items must be sold for the company to break even?

Answer 1

Is there an x after 28? and is there is cost function?

Answer 2

yes

Answer 3

-4x^2+28x-40

Answer 4

then just solve the quadratic equation.

Answer 5

-x^2+7x-10=0. The value of x will be answer

Answer 6

Does that suffice?

Answer 7

ohh thank you :)