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hw6 - sakerwalla(hs9229 HW6 milburn(54685 This print-out...

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sakerwalla (hs9229) – HW6 – milburn – (54685) 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0points Find the y -intercept of the tangent line at the point P (2 ,f (2)) on the graph of f ( x ) = 3 x 2 + 4 x + 1 . 1. y -intercept = 8 2. y -intercept = 11 3. y -intercept = 11 4. y -intercept = 13 5. y -intercept = 8 6. y -intercept = 13 002 10.0points Find the slope of the secant line passing through ( 3 , f ( 3)) , (2 , f (2)) when f ( x ) = 2 x 2 2 x + 4 . 1. slope = 18 5 2. slope = 22 5 3. slope = 21 5 4. slope = 4 5. slope = 19 5 003 10.0points A Calculus student leaves the RLM build- ing and walks in a straight line to the PCL Library. His distance from RLM after t min- utes is given by the graph 2 4 6 8 10 12 min yards 80 160 240 320 400 What is his speed after 3 minutes, and in what direction is he heading at that time? 1. away from RLM at 40 yds/min 2. towards RLM at 40 yds/min 3. towards RLM at 30 yds/min 4. away from RLM at 20 yds/min 5. away from RLM at 30 yds/min 6. towards RLM at 20 yds/min 004 10.0points
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