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Mathematics, 20.12.2019 11:31 itzdulceee

Aball is hurled in the air such that its horizontal (x) and vertical (y) shifts are given by the functions x(t) = 20t and y(t) = 40t – 5tæ, where x and y are in meters and the time t is in seconds. what is the ratio of y to x at time t = 5 seconds?

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