Question: Show that increasing functions and decreasing functions are oneto- one. That is, show that for any x 1 and x 2 in I, x 2

Show that increasing functions and decreasing functions are oneto- one. That is, show that for any x1 and x2 in I, x2 ≠ x1 implies ƒ(x2) ≠ ƒ(x1).

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