Recent content by mimitka

  1. M

    Finding lim f(x) as x->+/- infinity?

    Finding lim f(x) as x-->+/- infinity? f(x)= x^(5/3)-5x^(2/3) Need to find limit f(x) as x-->+infinity, and x-->-infinity?
  2. M

    Find domain of f(x)=x^(5/3)-5x^(2/3)

    f(x)= x^(5/3) - 5x^(2/3) Need to find the domain of the above function? The graphing calculator shows x cannot be a negative number, and I don't see why not? Please help!
  3. M

    Find Derivatives of f(x): 60x^2 - 15x^4 & 120x-60x^3

    f(x)=20x^3 - 3x^5 f '(x)=60x^2 - 15x^4 f ''(x)=120x-60x^3 Is this correct?
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