Answer
1.) B
2.) 3 hours
Step-by-step explanation:
1.) option B is correct I think because it shows he will either be equal to or less than how much money he wants to spend
2.) i got three because if you sent up the equal I picked in question one then you subtract 28 from 250 giving u 222 and you divide that by 65 giving you 3.4 but he only charges by the whole hour so that .4 of an hour he wouldn't charge you for
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
9514 1404 393
Answer:
no
Step-by-step explanation:
The graph of this equation on an x-y plane is a vertical line. The input value x=15 maps to an infinite number of outputs (y-values). For a relation to be a function, each input can only map to one output.
x = 15 is not a function
Step-by-step explanation:
answer is in the above picture
Answer:
39$ and 50 cents
Step-by-step explanation:
because 35 plus 4.5= 39.5
