Using the triangle inequality, find the range of the function y = 2+4sin r.

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A: What is the triangle inequality? How is it proved? Why is the inequality |a+b| |a|+|b|, where a and…

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Q: Solve the inequality by using the graph of the function.

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Q: (- 6,6) (12,4) (-4,4) 2,0) -12 -8 4 12 (0,- 2) (8,0) (- 14, – 4) 4.

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