Answer:
<h2>

</h2>
Step-by-step explanation:

To find (f ∘ g)(x) , substitute g(x) into f(x). That is for every x in f (x) replace it with g (x)
That's
<h3>

</h3>
Hope this helps you
112 me dió a eso mira haber si es si no trate.
Answer:
2/9
Step-by-step explanation:
After Caroline's share,
1 - 1/9 = 8/9 is left
Sarah gets:
1/(1+3) of 8/9
1/4 × 8/9
2/9