Determine the set of values for xxx such that x2+1<x+2\sqrt{x^2+1} < x+2x2+1<x+2.
x>−0.75x > -0.75x>−0.75
x>0x > 0x>0
x>−2x > -2x>−2
x<−0.75x < -0.75x<−0.75