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anonymous

  • 5 years ago

Find the extreme point(s) of the function f(x) = 0.25^4 + 3x^3 -18x^2 +10 and classify them

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  1. amistre64
    • 5 years ago
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    local extrema or global?

  2. anonymous
    • 5 years ago
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    Not quite sure

  3. amistre64
    • 5 years ago
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    its a quarctic...probably spelled it wrong... that will look like some form of a "W"

  4. amistre64
    • 5 years ago
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    you know how to find derivatives?

  5. anonymous
    • 5 years ago
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    Yes

  6. amistre64
    • 5 years ago
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    thats all this is, get the 1st derivative and set it to zero

  7. anonymous
    • 5 years ago
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    Thanks much!

  8. amistre64
    • 5 years ago
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    f'(x) = x^3 + 9x^2 -36x

  9. amistre64
    • 5 years ago
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    f'(x) = x(x^2 +9x -36) = 0 at x=0 is an obvious one..and it should be a MAX

  10. amistre64
    • 5 years ago
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    3,12 (x+12)(x-3)x = -12 and x = 3 are 2 more

  11. anonymous
    • 5 years ago
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    how do you know its a max?, x=0 is a max

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