Which functions have a vertex with an x -value of 0 ? Choose three correct answers.

A vertical shift changes a graph’s height but not the x-coordinate of its vertex. In A, |x| has its vertex at x = 0; in B, |x| − 6 and in C, |x| + 3, the changes are vertical shifts, so their vertices still have x = 0. In D and E, the x is shifted inside the absolute value, making the vertex’s x-coordinate −3.

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