Question

Quadratics (Algebra)
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Answer 1

Much of the work has already been done for you.
Please multiply out those two binomials. Write the product with powers of x in descending order.

Answer 2

I got it

Answer 3

Now graph the function R(x) (for revenue) . At what particular x value is R(x) at its max? That's the info you want.

Answer 4

Uh, forgot to close... It's just intercepts, find midpoint, and input into equation... thanks though