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Quiz #8 Math 1314

# Quiz #8 Math 1314 - PRINTABLE VERSION Quiz 8 You scored 92...

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PRINTABLE VERSION Quiz 8 You scored 92 out of 100 Question 1 Your answer is CORRECT. Give the interval(s) where the graph of f ( x ) is concave up and the interval(s) where the graph of f ( x ) is concave down. The graph is shown below. a) Concave down on (- , ). b) Concave up on (- , ). c) Concave up on (-4, 1); concave down on (- ,-4) (1, ). d) Concave up on (- ,-1) (4, ); concave down on (-1, 4). e) Concave up on (- ,-4) (1, ); concave down on (-4, 1). f) None of the above. Question 2 Your answer is CORRECT. Suppose Find all values of x for which f ''( x ) = 0. a) -6 b) There are none.

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c) -2 d) -12 e) , f) None of the above. Question 3 Your answer is CORRECT. Given the function Find the interval(s) on which the graph of the function is concave up and the interval(s) on which the graph of the function is concave down. a) Concave up on (- , -1); concave down on (-1, ). b) Concave up on (- , -3) (1, ); concave down on (-3, 1). c) Concave up on (- , 1); concave down on (- , -3) (1, ). d) Concave up on (- , -3); concave down on (-3, ). e) Concave up on (- , 1); concave down on (1, ).
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