SOLUTION: need help fast please A data processing consultant charges clients by the hour. His weekly earnings E are modeled by the function E=0.2x^2+40x where x is his hourly rate in dollar

Question 467175: need help fast please
A data processing consultant charges clients by the hour. His weekly earnings E are modeled by the function E=0.2x^2+40x where x is his hourly rate in dollars. Can he earn $2500 in a single week? Explain.
Found 2 solutions by Big Poop, robertb:
Answer by Big Poop(157) (Show Source): You can put this solution on YOUR website!

Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Have to solve the equation
, or
==> .
So, it is possible for the consultant to earn $2500 in one week, if he would earn $50 per hour.
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