Limits and derivatives Question 4 Details
a). If you plot the graph you should get something like:
Using the trace key and going
a long way
to the right you should get that the limit is 0.75. For a 
numerical approach, put

 
b). If you plot the graph you should get something like:
c). If you plot the graph you should get something like:
d). If you plot the graph you should get something like: