exam Maths Puzzle Numerical Ability

Can someone help me grap this problem. Can you show me what the graph looks like since i am unable to make the graph on the computer and I need to send it through the computer. I

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can you help?
find the vertex and intercepts of the quadratic function f(x)=x^2+x-6. thank you very much
How would you multiply this binomial?

(4c-1)^2

I came up with 16c^2-8c+1... is that correct... or is it 16c^2+8c+1?