Avertical line has a(n) slope. a. undefined b. negative c. zero d. positive

Which statements regarding the diagram are true? check all that apply.

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.

What is the sum of these mixed numbers 4 2/3+ 3 1/9