Posted by Roni on Friday, March 25, 2011 at 12:15pm.
If:
f(x)= -460+100Q-Q^2
Then:
f´(x)=df/dQ=100Q+2Q=2*(50+q)
For Q=10
f´(x)=2*(50+10)=2*60=120
f(Q)= -460+100Q-Q^2
not f(x)
and
f´(Q)=df/dQ=100Q+2Q=2*(50+q)
f´(Q)=2*(50+10)=2*60=120
f´(Q)=df/dQ=100+2Q=2*(50+q)
f´(Q)=2*(50+10)=2*60=120
In google type: calc101
When you see list of results click on:
Calc101com Automatic Calculus,Linear Algebra and Polynomials
When page be open clik option: derivatives
When this page be open in rectacangle type:
-460+100Q-Q^2
In rectacangle with respect to:
type Q
in rectacangleand again with respect to: type Q
and click options DO IT
You will see solution step-by-step
By the way on this site you can practice any kind of derivation.
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