All points of the step function f(x) are graphed.
1 answer:
Answer:
(a) {x| –4 < x ≤ 4}
Step-by-step explanation:
The domain is the horizontal extent of the graph.
Your problem statement tells you the left end is an open circle at x=-4, and the right end is a closed circle at x=4. The domain is ...
-4 < x ≤ 4
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