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mathcalculus

  • 3 years ago

H-E-L-P: locate all the critical points of f(x) -1x^2-5x+3

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  1. artofspeed
    • 3 years ago
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    critical points is when the derivative equals to 0 or is DNE

  2. mathcalculus
    • 3 years ago
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    yes. i found the derivative.

  3. mathcalculus
    • 3 years ago
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    then I = to zero.

  4. mathcalculus
    • 3 years ago
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    so it's -2x-5=0

  5. mathcalculus
    • 3 years ago
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    now how do i fnd the critical points from there?

  6. artofspeed
    • 3 years ago
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    solve for x

  7. mathcalculus
    • 3 years ago
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    x= 5/-2

  8. artofspeed
    • 3 years ago
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    that's the critical point :)

  9. mathcalculus
    • 3 years ago
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    no no it's saying it's wrong... :(

  10. mathcalculus
    • 3 years ago
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    am i missing something? like (0,5/-2)

  11. artofspeed
    • 3 years ago
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    if it asks for the coordinates of the point, give in (x, y) form

  12. mathcalculus
    • 3 years ago
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    thank you :)

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