Question

4. lim (tanx)=
x->pi/3
-(sqrt3)
1
(sqrt3)
***-1
The limit does not exist.

5. lim |x|=
x->-2
-2
***2
0
-1
The limit does not exist.

6. lim [[x]]=
x->9/2
(Remember that [[x]] represents the greatest integer function of x.)

4
5
***4.5
-4
The limit does not exist.

7. lim [[x]]=
x->9
9
8
7
10
***The limit does not exist.

Answer 1

#4 surely you know that tan π/3 = √3

#5 ok

#6[[x]] represents the greatest <b>integer</b> function
How could you choose 4.5?

#7 ok