5.
find the limit of the function by using direct substitution. (6 points)
limit as x approaches zero of quantity x squared minus three.
3
does not exist
-3
0
6.
find the limit of the function by using direct substitution. (6 points)
limit as x approaches three of quantity x squared plus three x minus one.
17
0
-17
does not exist
7.
find the limit of the function algebraically. (6 points)
limit as x approaches four of quantity x squared minus sixteen divided by quantity x minus four.
does not exist
4
1
8
8.
find the limit of the function algebraically. (6 points)
limit as x approaches zero of quantity x squared minus two x divided by x to the fourth power.
does not exist
8
0
-8