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Show all of your work neatly whenever possible. Justify your answers. For 5-8, consider . ....

Show all of your work neatly whenever possible. Justify your answers.

For 5-8, consider . . f(x)= 6/ (x^2+3)

5. Find and state the intervals on which is increasing and decreasing.

6. State the coordinates of the local maximum and local minimum if there are any.

7. Find and state the intervals on which is concave up and concave down.

8. State the coordinates of any point(s) of inflection.

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