Final answer:
The graph of the function has a relative maximum at x = -2, reaches its minimum at x = 0, and then has another relative maximum at x = 2. The relative minimum at x = 0 has a y-value of 1, and there are two absolute maximums at y = 4.
Step-by-step explanation:
The graph of the function has a relative maximum at x = -2, reaches its minimum at x = 0, and then has another relative maximum at x = 2. The relative minimum at x = 0 has a y-value of 1, and there are two absolute maximums at y = 4.