Question: 5. Determine the truth value of each expression below ifthe domain is the set of all real numbers. (4 pts) If true, give an example.)

5. Determine the truth value of each expression below ifthe domain

5. Determine the truth value of each expression below ifthe domain is the set of all real numbers. (4 pts) If true, give an example.) (If false, give a counterexample.) (f false, give a counterexample.) d.3xay3x(x2 + y2-Z2) (lftrue, give an example.) 2 6. Redo the above (problem 1), with the domain of positive integers. (4 pts) b. C. d

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