INverse

If "f" is a Decreasing Odd fn., f-1 is -

a)Odd, Decreasing
b) Odd, Increasing
c) Even, Decreasing
d) Even, Increasing

5 Answers

1
rickde ·

*edited
ans a

reflect about y=x

13
Avik ·

How...?

Take fr example f(x)= -x3

Then, f-1(x) = -(x)1/3

Both are Odd and Strictly Decreasing.

106
Asish Mahapatra ·

agree with avik

1
rickde ·

oops sry....ticked the wrong ans ..ans is a the clue is same ...reflect about y=x....

reflecting graph of a function about y=x u get the graph of its inverse

13
Avik ·

Hmmm yes thts it,,, but strangely the ans was given (d), which is surely wrong. [1]

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