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If f(x)=2x^(2)+3, for which of the follo...

If `f(x)=2x^(2)+3`, for which of the following values of x does `f(x)=21`?

A

`-9`

B

`-3`

C

`0`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • If f(x)=x^(2)+2 , which of the following could be a value of f(x)?

    A
    `-1`
    B
    `0`
    C
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    D
    `2`

  • For which of the following functions does f(x) f(2 - x) ?

    A
    `f(x) = x + 2`
    B
    `f(x) = 2x - x^2`
    C
    `f(x) = 2 - x`
    D
    `f(x) = (2 - x)^(2)`

  • If f(x)=4x+2 , which of the following is the graph of f(x)?

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