<em>Greetings from Brasil...</em>
Its attached the diagram of the situation.....
Answer:

Step-by-step explanation:

The graph shows the profile of your parabolic listening device,
I can't read all the question but my guess is by half.
Answer:
In a savings account earning 0.01%, your balance after a year would be $10,001.
Step-by-step explanation:
Given:
Oven's temperature rose 3 degrees in
of a minute.
To find:
How much will the oven heat up in 1 minute at that rate?
Solution:
According to the question,
Oven's temperature rose in
of a minute 
Oven's temperature rose in 1 minute 

Therefore, the oven's will heat up 18 degrees in 1 minute.