Since x is never less than -4 but is equal to it at one point and is less than 0 in some points, the only possible answer and the correct answer is x ≥ -4.
So the domain to this graph is x ≥ -4.
We can make 5 such rectangles
use your intuition and draw a diagram that shows all the different possiblities
A vertical line that is straight :( <span />
3 4 6 9 13 18 24 31 39 48 58
+1 +2 +3 +4 +5 +6 +7 +8 +9 +10
Answer:
He gets 42 visitors 4 weeks after starting to build his website.
He gets 10 new visitors per week.
Step-by-step explanation:
Equation for the number of visitors:
The equation for the number of visitors Timmy's new website receives after t weeks is:

In which b is the number of visitors rightly after he starts.
Timmy is building a new website. Right after he starts, he has 2 visitors.
This means that
, so:

How many visitors does he get 4 weeks after starting to build his website?
This is v(4). So

He gets 42 visitors 4 weeks after starting to build his website.
How any new visitors does he get per week?
After 0 weeks:

After 1 week:

2 weeks:
After 2 week:

22 - 12 = 12 - 2 = 10
He gets 10 new visitors per week.