ANSWERS: 1
  • ok, so we know the interval for (1)y=x^3+1 has an interval from (-infinity, +infinity) and (2)y=-(e^x) has an interval from (0, -infin.) (and neither have vertical asymptotes,therefore no limit on the x axis) then we know the intersect. the teacher did not ask you where they intersect, because it is kind of hard to equate. -(e^x)=x^3+1 because you cant ln a negative number. (this doesn't mean its not possible)

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