Homework Name: UID No: 200 Score: Section 4.4 The Chain Rule 1. Find f[g(x)]: f(u) =u 3 and g(x) = 3x 2 + 2. 5. To Be Gr ade dWrite the composite functiony = (3x 2 − x+ 5) 4 in the formy = f(u) and u= g (x). In problems 9–10, replace the ? with an expression that will make the indicated equation valid: 9. d dx (3x+ 4) 4 = 4(3x+ 4) 3 ? = 4(3x+ 4) 3 10. d dx (5 − 2x) 6 = 6(5 − 2x) 5 ? = 6(5 − 2x) 5 1