# Setting up a quadratic function

My problem is setting up a quadratic function for this problem:

Research has shown that if 100 apple trees are planted, then the annual revenue is 90$ dollars per tree. If more trees are planted, they have less room to grow and generate fewer apples per tree. As a result, the annual revenue per tree is reduced by 0.70$ per each additional tree planted. How many trees should be planted to maximize the revenue?

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#### Solution Summary

This solution explains how to set up a quadratic function for a problem involving finding the optimal number of apple trees that should be planted in order to maximize the revenue.

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