exam Maths Puzzle Numerical Ability

i need to graph these three but i dont know how?

there all supposed two be graphed on one graph

(there three things to this problem)
y=2x^2
y=2(x-1)^2
y=2(x+3)^2

(there

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exam Other Question

I need to write an ECR with the following question:

At an amusement park, each visitor receives one of four different toy animals. A visitor has an equal chance of receiving an what do they want when it says simplify and what does the "and" mean in the question