# Calc Help

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Marginal Cost = 30sqroot(x+4) with fixed costs of \$1000.
Marginal Revenue = 900.

find profit or loss from production and sale of 5 units.
how many units will result in a max profit?
what is the max profit?

Nuts to the problem. How can marginal cost have fixed costs?

Secondly, fixed costs should be when x=0. The marginal cost with x=0 is 60. This is an odd problem.

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