# Science talk:Math Exam Resources/Courses/MATH100/December 2012/Question 06 (a)

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Thread title | Replies | Last modified |
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Typo | 1 | 01:01, 30 November 2013 |

Currently, the solution says "We test that the derivative at a point in the interval, say x = 1 / 2, which gives a value of 6\cdot 2^{7/5}/5(-1/2) < 0 . Thus the function is **increasing** on this interval."

This should say "decreasing" since it is <0.

Just to clarify any confusion :)

So overall, the function is increasing on (-infinity; 0)U(1, infinity) and decreasing on (0, 1).