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The function f:(-oo,-1) to (0, e^5] defi...

The function `f:(-oo,-1) to (0, e^5]` defined by `f(x)=e^(x^(3-3x+2))` is

A

many-one and onto

B

many-one and into

C

one-one and onto

D

one-one and into

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The correct Answer is:
D
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