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TTU MATH 1351 - MATH 1351 Exam II-A

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Math 1351 008 Exam II A Makeup Due Wed Mar 7 5 00 pm MA 201 March 5 2007 Answer the problems on separate paper You do not need to rewrite the problem statements on your answer sheets Do your own work Show all relevant steps which lead to your solutions Attach this question sheet to the front of your answer sheets 1 6pts Solve algebraically the equation log10 x log10 x 3 1 2 6pts Using the definition find the derivative of f x 4 x 2 3 x 3 4pts The graph of y f x is given in the figure to the right Which of the figures below best represents the graph of y f x short answer a b c 4 48pts Using the rules of differentiation find the first derivative of each of the following functions Simply the results where appropriate Write the final form of each of the derivatives using positive exponents only 7 x5 2 x2 5 x 2 3x a a x 12 x 3 10 x c c x xe 2 x e 4 x d d x sin 1 x 2 sin 2 x 2 e e x ln x 2 6 x f f x x 4 3 x 5 3 5 8pts 6 9pts a 7 6pts 8 8pts b b x Find y for the following implicitly defined function x 2 5 xy 2 y 3 4 x 1 th For each of the following functions find the 10 y cos x 2 Let f x 3 x b y e2 x c d 10 y derivative i e find y find dx10 y 13 x 6 8 x 5 7 x 4 9 x 2 12 x 4 10 x 2 Find the equation of the tangent line to the graph of y f x at x 2 x2 4 Let s t 2t 2 10t 2 1 t 4 give the position of a moving body Describe the motion of the body i e a tell when the body is advancing b tell when the body is retreating c find the total distance the body travels 9 8pts A truck leaves Dallas at noon and heads due north for Oklahoma City traveling at 40 mph A car student driver leaves Dallas at 1 00 pm and heads due west for Abilene traveling at 80 mph At 2 00 pm they are both the same distance from Dallas At 2 00 pm how fast is the distance between the two vehicles increasing


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TTU MATH 1351 - MATH 1351 Exam II-A

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