Answer:
The domain of the function is all real numbers.
Step-by-step explanation:
I graphed the function on the graph below.
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$78 for each tire
4,992 divided by 64 is 78
As we know Conversion from fahrenheit to celsius is

We can write it also as

F as y and C as x then we can write it as
That is permuations
that would be 10! or 10*9*8*7*6*5*4*3*2*1=3628800 ways
Let the total number of people surveyed by y.
we can solve this by using algebra.
to find the percentage of a number in terms of decimals or integers, just multiply the total by the percentage,
so with this question,
y x 40% = 20
shift x40% to the other side and turn it into /40%
y = 20 / 40%
change the percentage into decimals for easier calculations,
y = 20 / 0.4
y = 50
therefore, the answer to this is 50 people.