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7. Points =4 Determine the truth value of each of these statements if the domain of each variable consists of all real numbers. a) x(x2=2)

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7. Points =4 Determine the truth value of each of these statements if the domain of each variable consists of all real numbers. a) x(x2=2) b) x(x2=1) c) x(x2+21) d) x(x2=x)

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