I have to sketch the derivative of a particular graph (see attached image), however, it seems my answer is wrong, but I do not understand why. If anyone could help explain why I’m wrong, that would be great!
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The axes aren't labeled or numbered, other than that I can't see anything wrong with it... Since it's decreasing everywhere its derivative will always be negative, and since it tends to a constant as x goes to infinity the derivative should tend to zero, so your solution checks out.
sortai
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That’s what I was thinking. It may be a mistake in the actual solution – Jamminermit Oct 10 '19 at 17:43
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I'm curious now though, did you find out what happened? – sortai Oct 11 '19 at 22:50
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I asked my teacher and he also thinks its a mistake. – Jamminermit Oct 12 '19 at 07:25