Question
uu wil no longer Dbe able to see your WebAssign assignments ments or grades or grades Get access now AM PDT After The quarterly profit (in thousands of dollars) of Cunningham Realty is given by Rx)--1x2 + 5x + 40 (0SXS50) where x (in thousands of dollars) is the amount of money Cunningham spends on advertising (a) Find P (x). P(x) = (b) What is the rate of change of Cunningham's quarterly profit if the amount it spends on advertising is $12,000/quarter (x - 12)? (Round your answer to three decimal places.) t spends on cveriainsis 127 (Rouny r dollar spent on advertising what is the rate of change if it spends $30,000/quarter (x 30)? (Round your answer to three decimal places.) per dollar spent on advertising Need Help? Read it Talk to Tutor
Explanation / Answer
a)
P’(x) = -2/5 x + 5
b)
rate of change = P'(12)
= (-2/5) * 12 + 5
= 0.2
c)
rate of change = P’(30)
= (-2/5) * 30 + 5
= -7
