What is the slope of the line that passes through the points ( -9, -8 ) and ( -15, - 16 ) In simplest form please
1 answer:
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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.
we know that
<u>The domain</u> of the function graphed is the interval-------> [3,∞)
that means
All real numbers greater than or equal to
<u>The range</u> of the function graphed is the interval --------> [1,∞)
that means
All real numbers greater than or equal to
therefore
the answer is the option