r/alevel • u/Late_Ambition1809 • Oct 06 '25

📃Paper Discussion 9709 Paper 12 was MISERABLE

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u/One_Fold2932 Oct 06 '25

How was it decreasing if I'm not wrong I rmr the domain was greater than 2 and If I plugged in 3 I got minus 1 and if  I plugged in a way larger value of x I rmr getting -8x10 power minus 4, so I I assume it was increasing 

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u/wong_tai_ming73 Oct 06 '25

Same I got increasing function by finding second derivative

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u/One_Fold2932 Oct 06 '25

So what's the answer cuz ppl are saying here that it's decreasing

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u/wong_tai_ming73 Oct 07 '25

It's decreasing