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Let f(x) =x^4 + x^2 . Find f(x)f(1/x) |
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Answer» hsRelations and FunctionsInvertible FunctionsIf F(x) = 1 - 4X , and f-1(...MATHSavatarAsked on December 26, 2019 byDivyanshu DhyaniIf f(x)=1−4x, and f −1 (x) is the INVERSE of f(x), then the value of f(−3)f−1(−3)= is:HARDShareStudy laterANSWERLet f(x)=1−4x=y ∴x= 4(1−y) and x=f −1 (y)Therefore x=f −1 (y)= 4(1−y) So, f(−3)f −1 (−3)= 4(1+12)(1+3) =13 |
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