C2 hard solomon paper

https://b940eb267c31463d4d23ccfd3105c3b78e5616c6.googledrive.com/host/0B1ZiqBksUHNYUnQzSHRkZ3JoNGs/for-Edexcel/Solomon%20E%20QP%20-%20C2%20Edexcel.pdf

question 2 help pls, it's asking for all values greater than 0 but surely that's all values around 2 and above but in any case i'm not sure how to go about this pls help

The function is increasing if its derivative is positive.

You will need to solve a quadraric inequality.

Original post by Kvothe the arcane

The function is increasing if its derivative is positive.

You will need to solve a quadraric inequality.

I see i've got it

you have to differentiate first to obtain a quadratic equation

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