Which of the Following Equations Has a Parabola as Its $f ( x ) = | x - 3 |$

Multiple Choice

Which of the following equations has a parabola as its graph?

A) $f ( x ) = | x - 3 |$
B) $f ( x ) = 3 x - 5$
C) $f ( x ) = x ^ { 2 } - 3 x + 5$
D) $f ( x ) = x ^ { 3 } + 5$