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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

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The function f:(-oo, 1] rarr (0, e^(5)] defined as f(x)=e^(x^(3)+2) is

    A
    Many one and onto
    B
    Many one and into
    C
    one - one and onto
    D
    one - one and into

  • The function f : (-oo, 3] to (o,e ^(7)] defined by f (x)=e ^(x^(3)-3x^(2) -9x+2) is

    A
    Many one and onto
    B
    Many one and into
    C
    One to one and onto
    D
    One to one and into

  • The function f : [0,oo)to[0,oo) defined by f(x)=(2x)/(1+2x) is

    A
    one-one and onto
    B
    one-one but not onto
    C
    not one-one but onto
    D
    Neither one-one nor onto

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