How to find instantaneous rate of change for $s(t) = t^3 + t$ when t=2?

Apr 20, 2016

This is just the value of the derivative when t = 2

$rArr s'(t) = 3t^2 + 1$

$rArr s'(2) = 3(2)^2 + 1 = 13$

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How to find instantaneous rate of change for s(t) = t^3 + ts(t) = t^3 + t when t=2?