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The Chain Rule
Example: If then we can
find and g(x)=x2+1 so that F(x)=f(g(x)).
Therefore,
Example: If F(x)=(3x+2)5, then
The General Power Rule
Exercises:
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- Suppose that profit function of a company is given by P(x)=-0.01x2+50x-10,000.
- Find the value of x that maximzies the profit. (Hint: set and solve for x,x=2500)
- Determine the maximum profit. (P(2500)=52500)
- Use the marginal profit to estimate the profit of the 2501 unit. i.e. there is no profit for the 2501 unit).
Wei-Chi Yang
Mon Nov 4 11:51:59 EST 1996