Answer:
Domain: All real numbers
Explanation:
Given
The attached graph
Solving (a): f(0)
On the attached graph
when
So:
Solving (b): f(pi)
On the attached graph
when
So:
Solving (c): Domain
There is no restriction on x.
Hence, the domain is the set of all real numbers
Solving (d): Range
In the attached graph
So, the range is: