Given:
The cost to install x number of central air conditioning units for a company is given by the function

To find:
The cost to install 45 air conditioners.
Solution:
We have,

Putting x=45, we get





Therefore, the cost to install 45 air conditioners is $60433.33.
Terra gets better gas mileage with 30mpg and Jim gets 12mpg
2nd one - y = 3/7x + 6 , hope this helps:)
Answer:
The answer would be B.
Because if you multiply all the numbers of ABC then go through the list of the A'B'C' options only B matches up
I think The answer is a.59