Rate of change of revenue the rate of change of revenue (in dollars per calculator) from the sale of x calculators is
r'(x)=(x+1)ln(x+1).
find the total revenue from the sale of the first 12 calculators. (hint: in this exercise, it simplifies matters to write an anti-derivative of x+1 as (x+1)2/2 rather than x^2/2+x).

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Wrote and expression for the difference of p and 4

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?