Q13 of 99 Page 59

Mark (√) against the correct answer in the following:

Let Then f - 1(y) = ?


f(x) =


⇒y =


x⟺y


⇒x =


⇒3yx + 4x = 4y


⇒y(3x - 4) = - 4x


⇒y =


x⟺y


⇒x =

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