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anonymous

  • one year ago

for f(x)=1/x^2-3 find for (2+h)

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  1. misty1212
    • one year ago
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    hi!!

  2. misty1212
    • one year ago
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    \[f(\spadesuit)=\frac{1}{\spadesuit^2-3}\] replace \(\spadesuit\) by \(2+h\)

  3. anonymous
    • one year ago
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    @misty1212 i did I got 1/3h is that right?

  4. misty1212
    • one year ago
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    idk i did't do it, but i am sure it is wrong

  5. misty1212
    • one year ago
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    lets go slow

  6. misty1212
    • one year ago
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    first step is \[f(2+h)=\frac{1}{(2+h)^2-3}\]

  7. misty1212
    • one year ago
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    second step is to square the \(2+h\) i.e. do \((2+h)(2+h)=4+4h+h^2\) giving \[\frac{1}{4+4h+h^2-3}\]

  8. misty1212
    • one year ago
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    third step is the arithmetic, final answer is \[\frac{1}{4h+h^2+1}\]

  9. anonymous
    • one year ago
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    ohh ok thank you I forgot to square it, can you help me with one more problem?

  10. misty1212
    • one year ago
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    sure i will go to that post

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