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Let A={-1,0,1,2}, B={-4,-2, 0,2} and f,g:A→B be the function defined by f(x)=x2−x,x∈A and g(x)=2∣∣x−12∣∣−1,x∈A. Are f and g equal ? Justify your answer. |
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Answer» Let A={-1,0,1,2}, B={-4,-2, 0,2} and f,g:A→B be the function defined by f(x)=x2−x,x∈A and g(x)=2∣∣x−12∣∣−1,x∈A. |
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