What will the graph look like for the equation y= 2x^2 + 3
In google type:
functions graphs online
When you see list of results click on:
rechneronline.de/function-graphs/
When page be open in blue rectangle type:
2x^2+3
In Range x-axis from type -2.5 to 2.5
In Range y-axis from type 2 to 12
and click option Draw
You will see graph.