Reference: Calculus and Its Applications, 12th, by Marvin L. Bittinger and

David Ellenbogen Book

Elementary Applied Calculus

Find the area under the graph of f over the interval [2,9]. 6x + 7, for x $7 f(x) = 5 84 for x > 7 The area is (Type an integer or a simplified fraction.)Find the area of the region enclosed by f(x) and the x-axis for the given function over the specified interval. f(x ) = 4 X+3x+4 x1 The area is (Simplify your answer.)