# UH MATH 1431 - 1431_emcf4 (5 pages)

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## 1431_emcf4

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## 1431_emcf4

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Pages:
5
School:
University of Houston
Course:
Math 1431 - Calculus I
##### Calculus I Documents
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MATH 1431 EMCF 4 Due 10 12 at 11 59 pm Log into CASA and access the answer sheet by clicking on the EMCF tab Choice F is None of the above on all questions 5 4 1 What is are the point s of inflection for f x 3x 10x 1 A x 0 and x 2 B x 0 and x 1 C x 1 and x 2 D x 2 E x 2 2 What is are the point s of inflection for f x 2 2 x 1 A x 1 x 1 B x 1 x 0 x 1 C x 1 x 0 D x 0 E No points of inflection Questions 3 4 The graph of f x second derivative is given below Page 1 of 5 3 When is the function f x concave down A 1 5 and 2 8 3 5 B 1 and 2 C 1 2 D 2 3 3 5 E 1 and 2 4 4 What are the points of inflection of f x A x 1 5 x 2 3 x 3 5 B x 1 x 2 x 4 C x 2 3 x 3 5 D x 1 x 2 E x 2 x 4 Questions 5 7 The graph of f x first derivative is given below Page 2 of 5 5 When is the function f x decreasing A 0 and 2 B 1 C 0 2 D 1 E 6 When is the function f x concave up A 0 and 2 B 1 C 0 2 D 1 E 7 What are the points of inflection of f x A x 0 and x 2 B x 1 C x 0 D x 2 E No points of inflection Page 3 of 5 8 Which of the following functions is always concave up A f x x1 3 D f x x 1 3 B f x x 1 1 5 C f x x 4 x2 E f x 2x 5 1 For Questions 9 and 10 inspect the given graphs and investigate the choices to see which one fits the information gathered by your inspection Think about asymptotes holes y intercept etc This is simply testing whether you know basic properties of rational functions or not 9 The graph of a function is given above Which of the following can be this function A f x D f x x 2 4x x2 9 4x 2 4x x2 9 B f x E f x 2x 2 4 x2 9 C f x x2 4 x2 9 Page 4 of 5 2x 2 8 x2 9 10 The graph of a function is given above the function has a hole at the point B Which of the following can be this function A f x D f x x2 x x2 4 x2 x x 1 x 2 4 B f x E f x x2 x x 1 x 2 4 x2 1 x 1 x 2 4 Page 5 of 5 C f x x2 x x 1 x 2 4

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