Given: A(t) = a(1+r) What is the rate of growth?
What is the initial amount?
What is the number of time periods?
What is the amount after t periods?

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.