Question

state the domain and range of the function f(x)=x^2-1

Answer 1

Graph it. Get (x,y) points and plot the graph. The you'll see that any x value can be used. That tells you something about the domain. After you graph it, you'll see what values y can take on. Tht's the range. To get you started, fill in this table to get points:

x | y
---------
-3 |
-2 |
-1 |
0 |
1 |
2 |
3 |

Answer 2

plz help