) Let x, y and z be real numbers. Show that the distance between a real number x and z is the sum of the distances between x and y and between y and z if and only if y € [x, z]. Illustrate geometrically on the real line.
) Let x, y and z be real numbers. Show that the distance between a real number x and z is the sum of the distances between x and y and between y and z if and only if y € [x, z]. Illustrate geometrically on the real line.
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Help me answer item 2
![(2) Let x, y and z be real numbers. Show that the distance between a real number x and z is the sum of the distances
between x and y and between y and z if and only if y € [x, z]. Illustrate geometrically on the real line.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1327fa96-415a-41dc-a247-5823993e3ffd%2F48287cd4-dce1-40ed-9bec-aab9b8752b84%2Fn068d3t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(2) Let x, y and z be real numbers. Show that the distance between a real number x and z is the sum of the distances
between x and y and between y and z if and only if y € [x, z]. Illustrate geometrically on the real line.
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