Question 436094
sketch a graph with f(x)=x to the second power -1
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y = x^2-1
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Plot a few points and draw a curve thru them.
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If x = -1, y = 0
If x = 0, y = -1
If x = 1, y = 0
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Plot (-1,0),(0,-1), and (1,0)
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{{{graph(400,300,-10,10,-10,10,x^2-1)}}}
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Cheers,
Stan H.
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