3 years ago

HELP ME PLEASEEEEEEEEEEEEEEEEE

Mathematics

2 answers:

ivolga24 [154]3 years ago

8 0

Answer:

Step-by-step explanation:

f( $f^{-1}$ (x))

Lets work the brackets first!

$f^{-1}$ (x)

To solve we are going to find the inverse of the function.

$f^{-1}$ (x)

f ⇔ y

∴ y = x

Interchange x and y

x = y

Solve for y

y = x

∴ $f^{-1}$ (x) = x

Now let's solve the rest of the equation.

f(x) = x

∴ f( $f^{-1}$ (x)) = x

katrin2010 [14]3 years ago

6 0

The answer is just x

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