As x increases by a factor of ten, the function values get closer to zero by about a factor of ten. This means the limit of the function is zero as x approaches infinity. 1 Y + 1 This function is approaching zero as x > 00 .Now determine what 0 6 '2 + 1 a . simple function f (x) is very close to as x gets large' Which factor -x I should go in front of the fraction to make this equality true