Math
posted by Ella .
The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company
has in manufacturing x item during a month.

Your question is?

How do I solve this? I don't even know where to begin.

The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company
has in manufacturing x item during a month. Base on this, how much it does it cost to
produce 700 item?
Sorry, I did not put the whole question up 
Actually, Maybe I've got it. Is it 100(700)+20000=90,000
It will cost $90,000 to make 700 items. 
Correct, well done!
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