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livelaughlilz

  • 3 years ago

f(x)=2x-1and g(x)=sqrt(x), find g(f(x))

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  1. anonymous
    • 3 years ago
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    \[g(f(x))=g(2x-1)=\sqrt{2x-1}\]

  2. livelaughlilz
    • 3 years ago
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    @satellite73 why is g(2x-1) sqrt(2x-1) instead of 2*sqrt(x)-1?

  3. hba
    • 3 years ago
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    @livelaughlilz You have to substitute the value of \[f(x)=2x-1\] In place of x in \[g(x)=\sqrt(x)\]

  4. livelaughlilz
    • 3 years ago
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    oh so the "x" becomes "2x-1"

  5. hba
    • 3 years ago
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    Exactly :)

  6. livelaughlilz
    • 3 years ago
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    thanks

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