Example 1
List all zeros of 𝑓𝑥 
Over what interval or intervals does 𝑓𝑥 increase?
Find the absolute maximum and minimum values of 𝑓𝑥 
Where does 𝑓𝑥 have relative maxima?
What is the domain of 𝑓𝑥?
What is the range of 𝑓𝑥?