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anonymous

  • one year ago

ind the derivative of f(x) = -4x2 + 11x at x = 10.

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  1. anonymous
    • one year ago
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    i got -300 am i right?

  2. DanJS
    • one year ago
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    one rule for the powers \[\frac{ d }{ dx }[a*x^n] = a*(n)x^{n-1}\]

  3. DanJS
    • one year ago
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    The derivative of f(x) , at the point (10 , f(10)) , is the slope of a tangent line of f(x) through that point.

  4. anonymous
    • one year ago
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    wait so am i wrong?

  5. DanJS
    • one year ago
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    what did you get for the derivative f ' (x)

  6. anonymous
    • one year ago
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    well i got -300 as my final answer

  7. DanJS
    • one year ago
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    can you show the calculation to get that ...

  8. anonymous
    • one year ago
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    i honestly dont remeber, i think i used the (x+h)/h formula thing

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spraguer (Moderator)
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