Which graph is a function of x?
On a coordinate plane, a vertical line is at x = negative 3.

On a coordinate plane, a v-shaped graph opens up.

On a coordinate plane, a parabola opens to the right.

On a coordinate plane, one curve opens to the left and another curve opens to the right.

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.