Find f(3) and f'(3), assuming that the tangent line to y = f(x) at a = 3 has equation y = 2 x + 7

With finding limits of multi variable !

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost