SOLUTION: I am really lost on this question on how to go about this correctly: 50. Business and finance. The cost of producing a number of items x is given by C= mx + b, in which b is th

Question 66648: I am really lost on this question on how to go about this correctly:
50. Business and finance. The cost of producing a number of items x is given by
C= mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
(b) Graph the cost equation.

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The cost equation is:
If variable cost m = $10 and the fixed cost, b = $40, then the equation becomes:

Here's the graph of this equation:

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