The rate of change of revenue (in dollars per calculator) from the sale of x calculators is R'(x) = (x+ 3) In (x + 3). Find the total revenue from the sale of the rst 20 calculators. (Hint: In this exercise, Question list l m)? x2 it simplies matters to write an antiderivative of x + 3 as rather than + 3x.) 2 2 0 Question 7 The total revenue is $ . Question 8 (Round the nal answer to the nearest cent as needed' Round all intermediate values to two decimal places as needed.) Question 9 Question 10 Question 11 Question 12 Question 13 0 Question 14 Question 15 Question 16 (9 Time Remaining: 01:02:06 m