Every Exam question on A level Functions (2017-2022) | ExamSolutions

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In this video, we'll go through all the Edexcel Exam questions on Functions from 2017-2022. The focus is on:

Domain
Range
Composite functions
Inverse functions

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[AceOfHearts]

Great vid. The thing is tho... they bring in questions that really require wider knowledge outside spec, i mean... to find that range of g, you really need to know how to sketch that function, but its not officially taught in the textbook or is part of the spec.

[MariamAlaa-kgkq]

Great video, would you please create a series of these a level topics before the exam Greatly appreciated.😊

[stephencharles]

For question range at 18:00 I prefer to put infinity (x can get this large in domain) in the denominator to get zero - as the denominator gets super huge to tend towards zero.

[sujspol]

havent even watched the video yet but thank you for this

[bdpkdec]

Hi Sir, the video was great for practice so thank you . At 4:22, would this method of finding the assymptote work for every reciprocal graph? Or does it depend on some conditions being met ?

[n]

For question one b, if x is greater than or equal to 5 shouldn't the range also be greater than or equal to 5?

[ayo]

44:50 why does the denominator = 0? Shouldn't anything that makes the denominator = 0 be undefined? And undefined doesn't equal 0

[peterhunt]

This might seem like a slightly obtuse question but how do you make your videos with the exam paper and writing as you go along and recording the sound all simultaneously. Is there a particular program you use? Thanks and apologies if the question seems really dumb

[nkyxd]

Hello sir, may i ask for the pdf of the materials in this vid??? 😅😅 Greatly appreciated if sir is willing to provide the materials 😊😊

[ayo]

at 28:00 isnt it supposed to be one to many for g(x)?