6 less than twice a number

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Find the distance between (0,5) & (-4,2)

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.