The inverse of f(x)=[4−(x−7)3]15 is
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Answer:
∴ f ^ -1 (x) = 7 + ∛4 - x
Step-by-step explanation:
f(x)=4−(x−7)
3
Let y=f(x)
So, x=f −1 (y) ---- ( 1 )
y= f(x)
⇒ y=4−(x−7) ³
⇒ (x − 7) 3 = 4 − y
⇒ x − 7 = ∛ 4−y
f ^-1 (y) = 7 + ∛4−y - [ From ( 1 ) ]
∴ f ^ -1 (x) = 7 + ∛4 - x
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