(1)   Find the following definite integrals by analyzing the graph of the integrand. Be sure to include a sketch of the graph and indicate how it gives your answer.

(a)  

(b)   

(c)  

(2)  The expression      represents a definite integral over the interval [3, 5].   Write the definite integral. (You do not need to find its value.)  

 

(3) Suppose  f  is a function for which = 5   and = 9.   

(a)

(b)  

(4) Find     if     and