# 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 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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