Hence, range of given parabola is y[tex]\geq 1[/tex]
What is parabola ?
A parabola is a curve in which all points are at the same distance from two fixed points: the focus and the origin. a constant straight line (the directrix )
How to solve?
Generic equation of parabola y=p. (x−h[tex])^{2}[/tex]+k where (h,k) denotes the vertex. where parabola has range y[tex]\geq 0[/tex]. but as this curve is shifted at 0,1 hence range becomes y[tex]\geq 1[/tex]
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