Use the following information for questions 4 – 8.

A soccer ball is kicked vertically from the ground with an initial velocity of 96 ft/sec.

write a quadratic function, h(t), that shows the height, in feet, of the soccer ball, t seconds after it was kicked.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?