201701 Math 121 Test 2(practice) Solutions - MATH 121 EXAM...

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MATH 121 EXAM 1(PRACTICE)Name: SolutionsShow your work.(Answers without work/reasoning will receive no credit.)(1) Find the following limits.(a)limx3(x-2)10(2x+ 4)(x+ 10)(x-1)(x-1)(x+ 4)
(2) Is the following piecewise defined function continuous atx= 1?Explain.f(x) =x3x+2ifx <1,1ifx= 1,1x2+2x+2ifx >1.
1
2Math 121 Exam 1A(3) Find theequationof the tangent line to the function below atx= 2.g(x) = 3x2-5
(4) Using the definition of the derivative, find the derivative off(x) =x2-3x.
Math 121 Exam 1A3

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Term
Spring
Professor
AmandaI.Beecher
Tags
Math, Calculus, Derivative, Limits, 0 g, 1 g, 1 2 g, 2 4 g, 2 12cm

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