Compute f '(a) algebraically for the given value of a. Hint [see example 1. ]f(x) = x2 − 8; a = 3f '(a) =.

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?