Recent content by jacksondr

  1. J

    Undergrad Maximum and Minimum Limits at Infinity Proof?

    I need help. Find the minimum of y = Absolute value of (sinx + cosx + tanx + cotx + secx + cscx) Thanks Ruth Jackson the_perfect_mom@hotmail.com
  2. J

    Undergrad Inverses, one2one, onto functions

    I asked three other teachers at my high school: Do all functions have inverses? Responses: I don't know, maybe, and no because of problems with complex numbers. I looked up the theorem of inverse functions with regard to derivatives and am satisified with that. So your answer to the...
  3. J

    Undergrad Inverses, one2one, onto functions

    Inverses Do all functions have inverses? (If you place restrictions) Do all graphs have inverses?