In this video of Pythagoras Math we discussed topic related to functions, A stone falls from a height of 60m on the ground, the height h after x seconds is approximately given by h(x) = 40 - 10x2
(i) What is the height of the stone when:.
(a) x = 1 sec ? (b) x = 1.5 sec ? (c) x = 1.7 sec ?
(ii) When does the stone strike the ground?
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