PI'ObIEl'I'I #5: Differentiate the given functions and simplify your answer. (Do not include :f'r) = ' in your answer.) (aunt) =6xS5x36x3 (b) _9 9 2 fie-r915 (x) = 21/? + 335* Enter your answer as a symbolic function of x, as in these examp Problem #6(a): Enter your answer as a symbolic function of x, as in these examp Problem #6(b): Enter your answer as a symbolic function of x, as in these examp Problem #6(c): Just Suva Submit Emblem #3 for Grading Problem #6 Attempt #1 Atte Q Your Answer: 6(a) 6(a) 6(b) 60:) 60:) 6(6) Your Mark: 6(a) 6(a) 6(b) 60:) 6(a) 50:) PI'ObIEI'I'I #7: Find the equation of the line that is tangent to the graph of the following function atx = 9. for) = 5x3 + 3w; Put your answer in the formy = mx + b, but do not include the 'y = T part in the answer box. Enter your answer as a symbolic function of x, as in these examp Problem #7: Just Save Submit mblem 33? for Grading Problem #7 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #8: It is estima that 1* months from now, the number of weekly hits to a certain web site will he C(r) = 100 +300:+4000. (a) Derive an expression for the rate at which the number of bits is changing with respect to time 1' months from now. (b) At what rate will the number of weekly hits be changing with respect to time 8 months from now? (6) By how much will the number of hits actually change during the 91]: month