In Exercises 11-14, a graph of a function f(x) is given; the num- bers inside the shaded regions give the area of that region. Evaluate the definite integrals using this area information. 50 y =f( x) 11 21 X 59 11. 1 2 3 -50 -100 (a) f ( x ) dx ( " - 35 ( x ) dx (b ) f ( x ) dx 10 1 1 15( x ) / dx 10) f ( * ) ax 10 ) (1 ( x ) 1 dx