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estella09
27.06.2019 •
Mathematics
When f(x) = x-7/2 , what is the value of (f^0 f^-1) (3)
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Ответ:
Step-by-step explanation:
We need to find (fof^-1)(3)
First we find f^-1(x)
Replace f(x) with y
Now replace x with y and y with x
Multiply by 2 on both sides
2x = y -7
Now add 7 on both sides
2x + 7 = y
Replace y with f^-1(x)
f^-1(x) = 2x+ 7
Now we find (fof^-1)(3)
First we find f^-1(3)
f^-1(x) = 2x+ 7
f^-1(3) = 2(3) + 7 = 6 + 7 = 13
Now we plug in 13 for x and find out f(13)
So ,![(f o f^{-1})(3) = f(f^{-1}(3))= 3](/tpl/images/0021/6300/6d0ff.png)
Ответ:
6, 2, -3, 4
Step-by-step explanation:
the input is x because it is the starting number
the output is g(x) or y which is the result that you get
In this scenario 6,2,-3,4 are the outputs