Consider the function given by h(x)= (x-1)^2

MATHEMATICS · Single correct · AoPS · Mathematics · Special Functions · Special Functions

Problem

Consider the function

h: \mathbb{R}\to\mathbb{R}

given by

h(x)=\sqrt{(x-1)^2}.

Which one of the following best describes

h

? (a) Polynomial function of degree

2

(b) Rational function (c) Modulus function (d) Polynomial function of degree

1