exam Maths Puzzle Numerical Ability

I would like to know if the following make a function?

(-2,2)(-1,4)(0,-6)(1,8)(1,10)

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exam Other Question

Solve the system of equations:

2x+y=4
y=x^2-4x-11

And graph the system of equations: y=x^2-2
y=-2x+1 and label the point(s) of interse There are three consecutive odd integers. Three times the largest is seven times the smallest. What are the intergers?