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

Algebra ->  Exponential-and-logarithmic-functions -> 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      Log On


   

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) About Me  (Show Source):
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Have to solve the equation
0.2x%5E2+%2B+40x+=+2500, or 0.2x%5E2+%2B+40x+-+2500+=+0
==> .
So, it is possible for the consultant to earn $2500 in one week, if he would earn $50 per hour.