1. Domain? my gues is (-oo,oo)

2. Range? my guess is (-4,oo)

3. when doesfincrease?my guess is (-7,-5) U (-2,0) U (6,oo)

4. When doesfdecrease? I put (-9,-7) U (0,2) but i dont think its right

5. For the following function find and verifyf^-1(x)I am stuck

6. What is the relative maximum? my guess is (0,5)

oo stands for infinity