Cost function, 
Revenue function, 
Profit function, 
Break point
.
Fixed cost
$
.
Variable cost
$
.
Price of item
$
.
Let
be the number of items produced and sold.
a) Cost function
Fixed cost
variable cost \times number of items
So, 
b) Revenue
Price of an item
number of items
So, 
c) Profit
Revenue
Cost



d) <u>Break even point</u> 



.
So, the product should be produced for
or more items.
Learn more about cost function here:
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Answer:
13
Step-by-step explanation:
Use the distance formula to determine the distance between two points.
d=√((x_2-x_1)²+(y_2-y_1)²)
√((10)-(-2))^2+(-1)-(4)^2)
√(144+25)
√(169)
13
The slope is 2/3 when simplified