Dora is conducting a performance appraisal for sue, one of her employees. the company's performance appraisal form asks her to rate sue's performance on various items like "submits reports on time with minimal errors" on a scale from 1 to 5.

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.