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Let X={3, 4, 6, 8}. Determine whether th...

Let `X={3, 4, 6, 8}`. Determine whether the relation `R={x, f(x)|xinX, f(x)=x^(2)+1}` is the function from X to N?

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Knowledge Check

  • The range of the functions f(x) = (x^2 +8)/(x^2 +4) x in R is

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    `[-1,3/2]`
    B
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    C
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    D
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