Evaluate $\frac{d}{dt}r(g(t))$ using the Chain Rule: $r(t) = \langle e^t, e^t, 5 \rangle$, $g(t) = 9t - 8$ $\frac{d}{dt}r(g(t)) = \langle$
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We have t = e^5g^t = 9t - 8 4g^t. Show more…
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