The function h(t)=-16t^2+256 represents the height, h(t), in feet, of an object from the ground at t seconds after it is dropped. what is a realistic domain for this function?

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

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.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?