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JanuaryFrost

  • 2 years ago

Question about function gof(x) and its domain, click to view

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  1. JanuaryFrost
    • 2 years ago
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    \[f(x)=\sqrt{x}\] \[g(x)=\frac{ 1 }{ 5-x ^{2} }\]

  2. JanuaryFrost
    • 2 years ago
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    find gof(x) and determine the domain

  3. chhanndresh
    • 2 years ago
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    \[gof(x) = 1/(5-x)\] and its domain is all real number except 5

  4. JanuaryFrost
    • 2 years ago
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    not (0, 5)U(5,+infinity)?

  5. JanuaryFrost
    • 2 years ago
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    because of the square root of x is involved, so i assumed it's x>or=0, and exclude 5

  6. JanuaryFrost
    • 2 years ago
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    that's what im unsure of

  7. chhanndresh
    • 2 years ago
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    same thing except you are working with only whole numbers and 0 and +infinity should be included so it like [0,5)U(5,+infiinty]

  8. chhanndresh
    • 2 years ago
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    yes true we can only deal with positive numbers...

  9. JanuaryFrost
    • 2 years ago
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    ok let's hope im right i wrote that down on my final exam today.

  10. JanuaryFrost
    • 2 years ago
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    thank you

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