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OCR C3 Inverse functions HELP PLEASE!!
Hi im completly disparing over inverse functions, if anyone can help i will love you forever!!
Ok ok so here some examples of the type of inverse i cant do. Find the inverse or f-1 (x):
f(x) = (2x+1) divided by (x+2)
or f(x) = (2x+1) divided by (a-x)
please help thanku!
Ok ok so here some examples of the type of inverse i cant do. Find the inverse or f-1 (x):
f(x) = (2x+1) divided by (x+2)
or f(x) = (2x+1) divided by (a-x)
please help thanku!
rewrite them as
then make x the subject so for this example:
bring everything to one side and factorise:
can you go from there?
then make x the subject so for this example:
bring everything to one side and factorise:
can you go from there?
Yep thanku! Problem sorted =D
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