Answer:

Step-by-step explanation:
<u>I will try to give as many details as possible. </u>
First of all, I just would like to say:

Texting in Latex is much more clear and depending on the question, just writing down without it may be confusing or ambiguous. Be together with Latex! (*^U^)人(≧V≦*)/

Note that

The denominator can't be 0 because it would be undefined.
So, we can solve the expression inside both parentheses.

Also,


Note





Note



Once


And

We have

Also, once


As



Answer:

Step-by-step explanation:
we have


we know that

substitute the variable x in the function g(x) by the function f(x)
so

Evaluate 
For x=0


Answer:
question is not proper
Step-by-step explanation:
question is
Answer:
$21
Step-by-step explanation:
starting money: 51
cost of each book = 3
total books bought = 10
3*10 = $30 spent on books
51-30 = $21 left
Answer:
C) Octagon
Step-by-step explanation: