Question: answer ALL the QUESTIONS CORRECTLY. show COMPLETE SOLUTIONS. Thanks __ _ A J' (2) Let x, y and z be real numbers. Show that the

answer ALL the QUESTIONS CORRECTLY. show COMPLETE SOLUTIONS. Thanks

__ _ A \\J' (2) Let x, y and z be real numbers. Show that the distance between a real number x and z is the sugarof the distances between I and y and between y and 2 if and only if y E [x, z]. Illustrate geometrically; on the real line (3) Prove the Generalized Triangle Inequality: ifal, a2... .,a,. E R then In. + 02 +- \"Fi?
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