3 years ago

F ( x ) = ( x - 2 ) ^3

1 answer:

7 0

Answer:

Step-by-step explanation:

f(f^-1(x)) = x

Always!

f(x) = (x - 2)³

y^⅓ = x - 2

x = y^⅓ + 2

f^-1(x) = x^⅓ + 2

f(f^-1(x)) = f(x^⅓ + 2)

= (x^⅓ + 2 - 2)³

= (x^⅓)³

= x

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