A constant is any number, anywhere on the number line.
A variable is an unknown, x y z n etc
Answer: 0
Step-by-step explanation:

This could be written as

Applying L'H rule and differentiating 3 times , we have

taking the limit as x goes to infinity , we have
0
Tax she will pay would be $2.04
Answer:
2(3-4a)+5(a-7)
=6-8a+5a-35
=-3a-29
Step-by-step explanation: