HELP PLEASE DETERMINE IF EACH TABLE SHOWN BELOW REPRESENTS A FUNCTION OR NOT

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

How do you convert 1.27 to a percentage

What describes horizontal cross section of the right rectangle 6m 8m 5m