Pre-Calc Homework Solutions 81

Pre-Calc Homework Solutions 81 - Section 3.4 3. When the...

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3. When the trace cursor is moving upward the particle is moving to the right, and when the cursor is moving downward the particle is moving to the left. Again we find the same values of t for when the particle reverses direction. 4. We can represent the velocity by graphing the parametric equations x 4 ( t ) 5 x 1 9 ( t ) 5 12 t 2 2 32 t 1 15, y 4 ( t ) 5 2 (part 1), x 5 ( t ) 5 x 1 9 ( t ) 5 12 t 2 2 32 t 1 15, y 5 ( t ) 5 t (part 2), x 6 ( t ) 5 t , y 6 ( t ) 5 x 1 9 ( t ) 5 12 t 2 2 32 t 1 15 (part 3) [ 2 8, 20] by [ 2 3, 5] ( x 4 , y 4 ) [ 2 8, 20] by [ 2 3, 5] ( x 5 , y 5 ) [ 2 2, 5] by [ 2 10, 20] ( x 6 , y 6 ) For ( x 4 , y 4 ) and ( x 5 , y 5 ), the particle is moving to the right when the x -coordinate of the graph (velocity) is positive, moving to the left when the x -coordinate of the graph (velocity) is negative, and is stopped when the x -coordinate of the graph (velocity) is 0. For ( x 6 , y 6 ), the particle is moving to the right when the y -coordinate of the graph (velocity) is positive, moving to the left when the
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This note was uploaded on 10/05/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.

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