The Identity function i behaves just like the number 1. That is (F o i)=f and (i o g)= g
1 answer:
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:

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Answer:
2.005 x 10^2
Step-by-step explanation:

23 stones will be needed (you have to round up, since you can't have a fraction of a stone)
No it is not a complete sentence