Answer: OPTION C.
Step-by-step explanation:
In order to solve the given exercise, you can follow these steps:
1. Given the following function f(x):

You must substitute
into the function f(x). Then:

2. Evaluating, you get:

3. Now, the next step is to substitute
into the function g(x):

4. Finally, evaluating, you get the following result:

You can identify that it matches with the Option C.
Answer:
2.9
Step-by-step explanation:
3.6 - 0.7 = 2.9
Answer:
8x-y+4=0
Step-by-step explanation:
because 8x-y+4=-4+4