Which of the following functions has a V-shaped graph that is symmetric about the y-axis?

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

Problem

Which of the following functions has a V-shaped graph that is symmetric about the y-axis? (a)

y=x^{2}

(b)

y=|x+1|

(c)

y=|x|

(d)

y=x