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The range of the functions f (x) = x ^(2...

The range of the functions `f (x) = x ^(2) + 2x + 2` is

A

`(1,oo)`

B

`(2,oo)`

C

`(0,oo)`

D

`[1,oo)`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The range of the function f(x) = log_(e) (3x^(2) + 4) is equal to

    A
    `[log_(e) 2, oo)`
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    `[log_(e) 3, oo)`
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    `[2 log_(e) 3, oo)`
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    `[2 log_(e) 2, oo)`

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    `(-2,oo)`
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    `[1/(3),1]`
    C
    `(1/(3),2)`
    D
    `(1/(2),1)`

  • The range of the function f(x) = ""^(7-x)P_(x-3) is

    A
    {1, 2, 3}
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