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Consider the following functions H(x)=x^4 and f(y)=(y-1)(y+1). X and y are integers Is h(x) aand f(y) good hash functions? If not explain?

Consider the following functions

H(x)=x^4 and f(y)=(y-1)(y+1). X and y are integers

Is h(x) aand f(y) good hash functions? If not explain?

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