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stressedadfff

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how do you solve 10c? (also theres a typo its supposed to be x^3 for the first variable)Screen Shot 2021-07-18 at 2.59.43 pm.png
 

quickoats

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Consider the graph of , most importantly, the stationery points. Also, consider the graph of y = k which should just be a horizontal line. There are 3 distinct solutions when these two graphs intersect each other 3 times.
 

stressedadfff

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Consider the graph of , most importantly, the stationery points. Also, consider the graph of y = k which should just be a horizontal line. There are 3 distinct solutions when these two graphs intersect each other 3 times.
thanks, would you know the highlighted question please i dont get the 23:
Screen Shot 2021-07-18 at 3.24.57 pm.png

Screen Shot 2021-07-18 at 3.28.35 pm.png
 

jimmysmith560

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Question 15c appeared in a 2000 "Mathematics 2/3 Unit (Common)" paper. Here is what was suggested from the 2000 Examination Report:

1626587964493.png

Sorry that I'm unable to provide more direct help, but hopefully this feedback can perhaps guide your thinking? :D
 

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