Answer:

The graph of the function is also attached.
Step-by-step explanation:
Considering the expression



Go over every undefined point x = a and check if at least one of the following statement is true.




The following points are undefined















Therefore,

The graph of the function is also attached.
Answer:
21
Step-by-step explanation:
3 + 3 = 6
6 + 4 = 10
10 + 5 = 15
so...
15 + 6 = 21
B..................................
If you are asking the value of r, it is <span>3.48593073.
Rounded, r = 3.5
Hope this helps!</span>