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f-x-x-2-6x-f-1-x-

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Question Number 192076 by sciencestudentW last updated on 07/May/23
f(x)=x^2 +6x f^(−1) (x)=?
f(x)=x2+6xf−1(x)=?
Answered by AST last updated on 07/May/23
y=f(x)=x^2 +6x=(x+3)^2 −9 x=+_− (√(y+9))−3 ⇒f^(−1) (x)=+_− (√(x+9))−3
y=f(x)=x2+6x=(x+3)2−9x=+−y+9−3⇒f−1(x)=+−x+9−3

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