Calculus. Limits. Check my answers, please! :)
posted by Samantha .
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.

#4 surely you know that tan π/3 = √3
#5 ok
#6[[x]] represents the greatest integer function
How could you choose 4.5?
#7 ok