Saturday

December 20, 2014

December 20, 2014

Posted by **Gabriel** on Sunday, February 10, 2013 at 9:43pm.

a) Explain why the profit function has an inverse

b) P(400)=900. Rewrite this equation in terms of P^-1.

c) Verify that P^-1(4470)=820 and describe what this equation means in this context.

d) Find a rule for P^-1(x) and then verify the P^-1(P(450))=450

- Precalculus -
**bobpursley**, Sunday, February 10, 2013 at 9:57pmis x the tickets sold? Assuming yes...

a. given a profit, there is only one number of tickets that could have been sold.

b. P^-1(900)=400

c. it means that 4470 of revenue translates to 820 tickets.

P(820)=8.5(820)-2500=4470 check that.

d. I don't understand what the question wants.

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