The height, h, in centimetres, of a piston moving up and down in an engine cylinder can be modelled by the function h(t) = 14 sin(80nt) + 14, where t is the time, in seconds. What is the piston's minimum height? A. 14 cm C. 0 cm B. -14 cm D. 7 cm What is the period? 7 A. S 40 B. 8 s C. D. -12-1 40 14 S S

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A: The distance between the repetition of any function is called the period of the function.

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