When asked to write a point slope equation for a line passing through the points (-3,-5) and (2,4) a student wrote y-4=-9/5(x-2). how can he fix thi to write the correct equation?

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 can constraints be used to model a real-world situation?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid