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Find the gof and fog if f(x) = 8x^(3)" a...

Find the gof and fog if f(x) = `8x^(3)" and "g(x)=x^(1/3)`

Text Solution

Verified by Experts

The correct Answer is:
gof = 2x
fog = 8x
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Knowledge Check

  • If f(x) = 2x^(2) "find" (f(3.8)-f(4))/(3.8-4)

    A
    156
    B
    `0.156`
    C
    `1.56`
    D
    `15.6`

  • If f(x) = 8x^(3), g(x) = x^((1//3)) , then fog(x) is

    A
    `8^(3)x`
    B
    `8x^(3)`
    C
    8x
    D
    `(8x)^(1//3)`

  • If f(x)=8x^(3), g(x)=x^(1//3) , then fog (x) is

    A
    1.8x
    B
    2`8^(3)x`
    C
    3.`(8x)^(1//3)`
    D
    4.`8x^(3)`

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    Find the domain of the function f(x) = (x^(2) + 2x +1)/(x^(2) - 8x +12)

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