n 19-22, find (a) a cosine function and (b) a sine function whose graph matches the given curve. Explain. 20. AY (0, 1) AV 19. (0, 3) (2, -3) 4

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A: See below the answer and explanation

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Q: In Exercises 21-24, determine the number of lines of symmetry for the figure.

A: Note: Lines of symmetry means cutting of a shape into two symmetrical shapes.

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A: Question number 14 solved

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Q: what about #23

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A: