y = 2x²-4
x = 2
y= 2(2)²-4
y=4
x=-1
y=2(-1)²-4
y=-6
x=0
y=2(0)²-4
y=-4
x=1
y=2(1)²-4
y=-2
x=2
y=2(2)²-4
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Answers & Comments
y = 2x²-4
x = 2
y= 2(2)²-4
y=4
x=-1
y=2(-1)²-4
y=-6
x=0
y=2(0)²-4
y=-4
x=1
y=2(1)²-4
y=-2
x=2
y=2(2)²-4
y=4