The function is .

Replace with *y.*

Next switch *x* for *y* and *y* for *x.*

Next solve for *y*:

(Add 2 to each side)

(Apply additive inverse property: )

(Apply additive identity property: )

(Divide each side by 4)

(Cancel common terms)

(Simplify)

()

The value of .

Write in function notation,using to represent the inverse of the function *f.*

Substitute in above function,

The inverse function of is .

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