A company determines that the revenue, in dollars, for selling a particular model of lamp is given by
R(x) = x(–20x+ 1200), where x is the price of
each lamp. At which of the following prices will the
company's revenue be $10,000 ?

Ineed in figuring out this problem.

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2