Mathematics 31 Module 5 6 Assignment Booklet Section 3 Assignment: The First Derivative Read all the parts of your assignment carefully and record your answers in the appropriate place. 1. Use the following partial graph ofa polynomial function, with a local maximum at x : 4 and a local minimum at x : 2 , to answer questions a. to d. y l 4, f( 4)) '25 _.1.5. X 6 5 4 2 1 'l , , -10 l . . . (2:1 (2 ) a. Where is the function decreasing? Use interval notation. @ b. State whether f'(3.9) and f'(4.1) are positive or negative. Mathematics 31 Module 5 7 Assignment Booklet c. Compare f(1.9)and f(2.1) withf(2), (D d. What are the critical values of x