In mathematics, a function<span> is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
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A relation<span> consists of two sets of elements called inputs and outputs, where the input is related to the output in some way.
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Step-by-step explanation:
please repeat the question again and I'll solve in the comments the question isn't too clear
Answer:
$ 17.63
Step-by-step explanation:
Given,
The sales of the salesperson are,
$15.50, $18.98, $16.8, $14, $18.50, and $22,
Sum of sales = 15.50 + 18.98 + 16.8 + 14 + 18.50 + 22 = 105.78
Also, the number of sales = 6,
Thus, the average sale = 

= $ 17.63
Answer:
1/4
Step-by-step explanation:
green occupies two 1/8 th's of the spinner
2(1/8)=1/4
6x-9-2(1-x) = x-9
6x-9-2+2x = x-9 | -x
7x -11 = -9
7x = -9+11
7x = 2
x = 2/7