5.
Which equation is represented by the graph?
y = 2x2 + 1
y = 2x2 − 1
y = 1/2x^2 + 1
y = x2 − 1
![5 Which equation is represented by the graph y 2x2 1 y 2x2 1 y 12x2 1 y x2 1 class=](https://us-static.z-dn.net/files/d12/c051005fa55d42546908cbdf80b1b77c.png)