A dealer in a certain brand of electronic calculator finds that (within certain limits) the number of calculators she can sell per week is given by f(p, t) = - p + 6t - .02 pt, where p is the price of the calculator and t is the number of dollars spent on advertising. Compute

and interpret these numbers.

Transcribed Image Text:

af др -(25, 10,000) and (25, 10,000), af dt