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Let f be function f:N to N be defined by...

Let f be function `f:N to N` be defined by `f(x)=3x+2, xin N`.
Find the images of 1, 2, 3

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Let f be function f:N to N be defined by f(x)=3x+2, xin N . Find the pre-images of 29, 53

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Knowledge Check

  • Let f be function f: N to N be defined by f(x)=3x+2, xinN . The pre-image of 29 of _____.

    A
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    B
    `89`
    C
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    D
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  • let f be function f: N to N be defined by f (x)= 4x+3,x in N. Then the pre image of 19 is :

    A
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    B
    4
    C
    7
    D
    9

  • Let a function f be defined by f(x)=(x-|x|)/x for x ne 0 and f(0)=2. Then f is

    A
    Continuous no where
    B
    Continuous everywhere
    C
    Continuous for all x except x=1
    D
    Continuous for all x except x=0

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