You are correct for part A, good job! :D
As for part B, I <em>believe</em> the answers are function, nonlinear, and discrete.
Please let me know if I was wrong at any time. I hope this helps!!
Answer:
10x + 5
Step-by-step explanation:

Answer:
18 dollars
Step-by-step explanation:
$1.50*8=$12
$30-$12=$18
Answer:
a-2=a-2
Step-by-step explanation:
Here it is, you just have to notice that the numerator has common factors alternated. You will then collect the same parentheses and simplify with the denominator.
Answer:
have a great Thanksgiving, I hope you have a great day