Answer:

Step-by-step explanation:
So we have the two functions:

And we want to find f(g(1)).
So, let's find g(1) first:

Substitute 1 for x:

Simplify:

Add:

So:

Now, substitute 2 for x in f(x):

Multiply:

Add:

So:

Answer:
lol
Step-by-step explanation:
Nearest tenth:
3.9
Nearest whole number:
4
When dealing with money, you must round up.
9 x 18 = 162 So that makes D the correct option