Answer:
..............................................................
Step-by-step explanation:
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:
brainly.com/question/13129990?referrer=searchResults
An integer is a rational number; 1/2 is a rational ratio with a denominator of 1; 0.4545 is a rational decimal; 0.44 is a irrational decimal and 0 is a rational whole numbers.
<h3>What is the difference between a rational and a irrational number?</h3>
The category irrational number can be applied to numbers that cannot be expresses as ratios or fractions. This includes decimals that do not terminate and are not repeating such as 0.44454...
<h3>On the other hand, rational numbers will include different types of numbers such as:</h3>
Integers: This refers to numbers that are not expressed as fractions.
Rational decimals: This includes repeating decimals such as 0.4545...
Rational ratios: This includes numbers such as 1/2 or 1/4.
Rational whole numbers such as 0,1,2, etc.
Learn more about rational numbers in: brainly.com/question/17450097
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