For this case, since the function is continuous, what you should do is see the sign changes.
We have the following sign changes:
x y
-2.4 0.69
-1.8 -0.39
-1.2 0.24
0 0
0.6 -0.46
1.2 -0.24
1.8 0.39
2.4 -0.69
Therefore, the number of zeros is:
5
Answer:
5
