jessejones393p6pwvx jessejones393p6pwvx

10-04-2018
Mathematics

contestada

What is the inverse of f(x) = x + 2?
1. h(x) = x + 2
2. h(x) = x - 2
3. h(x) = 3x - 2
4.h(x) = 3x - 6

Respuesta :

altavistard altavistard

10-04-2018

1) replace "f(x)" with y: y = x + 2
2) interchange x and y: x = y + 2
3) solve this for y: y = x - 2
4) replace y with
-1
f (x)

Which of the four given possible answers agrees with this procedure?
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