% of decrease would be 100 - (22*100)/28
=100-78.57 = 21.43%
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
bit.
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Answer:
the function f(x) = x + 1 adds 1 to any value you feed it. You give it a 5, this function will give you a 6: f(5) = 5 + 1 = 6. Functions do have a criterion they have to meet, though. And that is the x value, or the input, cannot be linked to more than one output or answer.
Step-by-step explanation:
we could define a function where the domain X is again the set of people but the codomain is a set of number. For example , let the codomain Y be the set of whole numbers and define the function c so that for any person x , the function output c(x) is the number of children of the person x.
hop u get it