exam Maths Puzzle Numerical Ability

I need some help with a couple of Parabola problems with graphs. Here is the second one:

Graph the parabola.

y = - x² + 3




I need the graph. Thanks

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exam Other Question
Could someone help do this graph for me? I am lost.
Graph f(x) = -3x - 2

I sure would appreciate it.
Ashley If A=3x2-2x-7 and B=x2+9, then what is their sum, A+B?

5x2-2x+2
4x2-2x-2
4x2+2
4x2-2x+2
none of these