Question: U(t ) = (t + 1)i+ (3t)j Given: Position at t = 1 is (4,9) Find the speed at t = 3. speed = V

U(t ) = (t + 1)i+ (3t)j Given: Position at t

= 1 is (4,9) Find the speed at t = 3. speed

U(t ) = (t + 1)i+ (3t)j Given: Position at t = 1 is (4,9) Find the speed at t = 3. speed = V

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