Answer:
Follows are the answer to the given point.
Step-by-step explanation:
In point 1:


In point 2:


In point 3:


In point 4:


Answer:

Step-by-step explanation:
By definition composite function would be:

Then, if g(2)=3 and f(3)=16, therefore for f(g(x)):
The answer is : impossible
a. (2175 mi)/(18 mi/day) = 120.83... day ≈ 121 days
b. 120.83.../4 = 30.2083...
Joelle will hike 30 full days and one partial day.