Question

A company's monthly profit, P, from a product is given by P = −x2 + 105x − 1050, where x is the price of the product in dollars. What is the lowest price of the product, in dollars, that gives a monthly profit of $1,550?

Answer 1

ok
let P=1550 in the given equation
1550= = −x2 + 105x − 1050
simplify

x^2-105x+2600=0

you know how to solve Quadratic equation?

Answer 2

yes

Answer 3

i got x=40,65