A ball 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 - 5t2, 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?
0.25
0.50
0.75
0.85
+3
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Home » Mathematics » A ball 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 - 5t2, where x and y are in meters and the time t is in seconds.