MATH 125 Quiz: MATH 125 UWashington Quizwin16 ostroff 2

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turquoisegnu128

15 Feb 2019

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MATH 125

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$MATH 125 Full Course Notes$

MATH 125 Full Course Notes

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Read all of the following information before starting the exam: Show all of your work clearly and in order and justify your answers, as partial credit will be given when appropriate and there may be no credit given for problems without supporting work. Circle or otherwise indicate your nal answers your nal answers. All answers should be completely simpli ed, unless otherwise stated. You may not use calculator: find the domain of, let f (x) = 2x and g(x) = x2 sin x 1. 1+e x: find the following limits or show they do not exist. Show your work in detail. x2 + 1 x . 1 (c) (b) lim x 0 lim x (d) lim x 0 lim x (e) 2x )3x = (1 x2esin 1 x x2 x2+1 =

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given the funcion F(x)=(x-1)^2/x^2+1

a) find the domain of the function in interval notation

b)Find the intercepts of the function. All work must be shown. Write your answer as ordered pair.

c) Find the equation of any asymptote.All work must be shown

d)Find the critical numbers.All work must be shown

e)Use the first derivative test to find the interval of increasing and decreasing. All work must be shown

f) Find the ordered pairs of the local maximum and minimum

g) Use the second derivative test to find the intervals of concavity and any inflection points. All work must be shown Including the number line with test numbers.

h) Graph the function on the grid provided. Label any intercepts, asymptotes,maxima,minima, and inflection points

4. (21 pts) Let g be the function given by ( 6 - X 2 + x if x < 2, x + -2 g(x) = x2 – x-1 if x>2. (a) (6 pts) Use the definition of continuity to determine whether the function g is continuous at 2. Show your work. (b) (3 pts) Evaluate the limit. Justify your answer. Show your work. Write "does not exist" only if the limit does not exist and is not + or -0. lim g(x) = lim -2+ = +00 X 2 + X since the form of the limit is NUM: POS, DENOM: POS (c) (2 pts) Write the equation(s) of all vertical asymptotes of g. Write "none" if appropriate. The result in part (b) implies that the line x= -2 is a vertical asymptote. This is the only vertical asymptote, since the function g is continuous on its domain (d) (2 pts) Determine the largest) intervals of continuity of g. Use interval notation to write your answer. Let g be the function given by 12+ if x < 2, x# -2 2 + x g(x)= x2-x-1 x-1 if x>2. (e) (6 pts) Evaluate each limit. Do not use L'Hôpital's Rule. Write "does not exist" only if the limit does not exist and is not too or -00. Show your work. 6-1 i lim g(x) = lim -00 2 + X = lim -002 + x 0-1 + 1 x -00 x x x -+- 2 +1 0 0 + 11 x2 - x-1 1 ii. lim g(x) = lim x++ V x2 – x-1 X-1 x2 - x-1 X - 1 = lim x +oc x +0 - lim Vam M93001 (f) (2 pts) Write the equation(s) of all horizontal asymptotes of g. Write "none" if appropriate.

MATH 125 Quiz: MATH 125 UWashington Quizwin16 ostroff 2

MATH 125 Full Course Notes

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