EXERCISE 6WORK OUT EACH PROBLEM. FOR QUESTIONS 1–4, CIRCLE THE LETTER...

7. (B) By visual inspection, you can see that the∆AOP is equilateral; hence you can divide itmaximum value of y is 2, and this value occursonly once in the set of y-values — when x = 0.into two 1:

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:2 triangles, as shown in thefigure. Since the common leg, whose length is