SOLUTION: The revenue from selling x radios is 𝑅(𝑥) = 90𝑥 − 𝑥² . How many radios should be sold to earn $1100 in revenue?

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Question 1059160: The revenue from selling x radios is
𝑅(𝑥) = 90𝑥 − 𝑥²
. How many radios should
be sold to earn $1100 in revenue?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
Solve the equation

90x+-+x%5E2 = 1100

and get the answer.