Question: Find the speed over the path r ( t ) = ( : 3 t + 3 , 7 t + 8 , 2 t

Find the speed over the path r(t)=(:3t+3,7t+8,2t-2:)att=9.
(Use symbolic notation and fractions where needed.)
v(9)=
Find the speed over the path r ( t ) = ( : 3 t +

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