Problem 4: evaluate the definite integrals

4b.explain why the value of definite...(see image)

a) Evaluate the definite integral f(x) dx for the function f(x), whose graph is shown 10 points - NWA (3, 2) ( 4 , 2 ) (1 1, 1) 2 3 4 5 6 8 10 11 (8, -2) b) Explain why the value of definite integral in part a) is not equal to the area under the curve of f(x) over the interval [3, 8] 5 points