Help with cost, revenue, and profit analysis?

Question:

Tyler McGinnis starts up a small business manufacturing bobble-head figures of famous baseball players. His initial cost is $3300. Each figure costs $4.50 to manufacture.

A. Write a cost function C, where x represents the number of figures manufactured.

B. Find the revenue function R, if each figure in part (a) sells for $10.50.

C. Give the profit function P.

D. How many figures must be produced and sold before Tyler earns a profit.

Thanks for the help everyone

Answer:
Okay -- that's the homework problem. What is YOUR question about it? Are you totally lost as to where to begin, or is there a specific part you don't understand? What is the answer you currently have?

C = 4.5X + 3300
R = 10.5X
P = 10.5X - (4.5X + 3300) = 6X - 3300.
0=6X - 3300, X = 550 is breakeven. 551 is profit.

Help with cost, revenue, and profit analysis?

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