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5.1 - 2 (2 points) Let f(x) Find the open intervals on which f is concave...


5.1 - 2 (2 points) Let f(x) Find the open intervals on which f is concave up (down). Then determine the e-coordinates of all
5.1 - 2 (2 points) Let f(x) Find the open intervals on which f is concave up (down). Then determine the e-coordinates of all inflection points of 2 + 7 1. f is concave up on the intervals 2. f is concave down on the intervals 3. The inflection points occur at 2 - Notes: In the first two, your answer should either be a single interval, such as (0,1), a comma separated list of intervals, such as (-int, 2), (3,4), or the word "none". In the last one, your answer should be a comma separated list of values or the word "none".
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Answer is given as.

5x-2 f (x) = soll : Let xt7 0 е have which to find the open in tesrals on f is con cave up as well as down. and then a con orNew, f(x) 37 od dai 37 X - 2 (x+7)3 -74 (x+7)3 hence f(x) 74 (x+7)3 Since , we Know that 13 function in terrals where concaand function 18 Con cave down where f(x) Lo for the interval to make hence of (2) Lo from 0 have to take / с е (x+7) 7o 깃 >point ouw x+7 *o hen a .function 5a-2 f(x)= 9 atz 0 f is con cove up the interval (-∞, -7). 2) f is Con love down the interva

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