Can you please help me answer #4 and 5?

Quizzes - Fall 2021 Business Calc X * Course Hero X + X - > C A global.centralstate.edu/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=8948&isprv=&drc=08qi=25196&cfql=08dnb=0&fromQB=0 Quiz 5 X Est. Length: 0:30:00 Time Taken:0:09:31 Zane Phillips: Attempt 1 Page 1: Question 4 (1 point) 1 2 3 Find average rate of change for the function over the given interval. y = x2 + 6x between x = 5 and x = 9 4 5 -- O 135 15 O 20 Question 5 (1 point) Solve the problem. If an object moves along a line so that it is at y = f(x) = 2x2 - 7x - 6 at time x (in seconds), find the instantaneous velocity function v = f'(x). O 2x 2 - 7 O 2x - 7 O 4x - 7 O 4x 2 - 7 Type here to search O Ei 9 ? 95OF AQ1 71 ^ D - 0 7 ()) 2:24 PM 9/10/2021