mathlady12
29.07.2019 •
Mathematics
Two and one half times the sum of nine and twelve
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Ответ:
Hope that helps!
Ответ:
The inverse of a function is simply swapping the independent variable x for the dependent variable y.
f(x) = y in this case
So, the easiest thing to do is replace x with y and f(x) with x and you get x = (2y+5)/ 7. Then its just a matter of solving for y.