A pet store has 9 puppies, including 3 poodles, 4 terriers, and 2 retrievers. if rebecka selects one puppy at random, the pe
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I'll denote the identity function by . Then for any functions
with inverse
,
One important fact is that composition is associative, meaning for functions , we have
So given
we can compose the functions on either side with :
then apply the rules listed above:
(for no. 4 check the image in the attachment)
