Problems 4 (9-15)

# Problems 4 (9-15) - mao(tm23477 – HW4 – gualdani...

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Unformatted text preview: mao (tm23477) – HW4 – gualdani – (57180) 1 This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Find the x-intercept of the tangent line at the point P ( − 2 , 5) on the graph of f when lim h → f ( − 2 + h ) − 5 h = 2 . 1. x-intercept = 9 2 2. x-intercept = 1 2 3. x-intercept = 9 4. x-intercept = − 9 5. x-intercept = − 9 2 6. x-intercept = 1 002 10.0 points Consider the slope of the given curve at the five points shown. B D E A C List the five slopes in decreasing order. 1. C, A, B, E, D 2. D, A, B, C, E 3. D, B, E, C, A 4. C, B, D, E, A 5. A, C, D, B, E 6. A, C, E, B, D 003 10.0 points Find an equation for the tangent line at the point P (2 , f (2)) on the graph of f when f is defined by f ( x ) = 3 x 2 + x + 3 . 1. y + 13 x − 9 = 0 2. y − 13 x + 15 = 0 3. y − 13 x − 15 = 0 4. y + 13 x + 9 = 0 5. y − 13 x + 9 = 0 6. y + 13 x + 15 = 0 004 (part 1 of 3) 10.0 points A Calculus student leaves the RLM build- ing and walks in a straight line to the PCL Li- brary. His distance (in multiples of 40 yards) from RLM after t minutes is given by the graph mao (tm23477) – HW4 – gualdani – (57180) 2 2 4 6 8 10 2 4 6 8 10 t distance i) What is his speed after 3 minutes, and in what direction is he heading at that time?...
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Problems 4 (9-15) - mao(tm23477 – HW4 – gualdani...

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