​Find the inverse function of f.

Algebra
Tutor: None Selected Time limit: 1 Day

Find the inverse function of f.

f(x) = 6 + 
3x
f −1(x) = 
Feb 28th, 2015

Answer:

here your function is:

y= f(x) = 6 + x^3

which is a cubic parabola, so it is a bijective function in R.

then I can write:

x= 3-rd sqrt(y-6)

and:

f^-1(y) = 3-rd sqrt(y - 6)

Feb 28th, 2015

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