A store owner estimates that by charging x dollars each for a certain brand of sunglasses, he can sell 40 2 pairs of sunglasses each week. The quadratic function R(x) = –22 + 40x is used to find the revenue, R, received when the
selling price of a pair of sunglasses is x. Find the selling price that will give him the maximum revenue, and then find the
amount of the maximum revenue.

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Factor the polynomial expression x6 – x3 – 20