Given:
The graph of f(x).
To find:
The interval where f(x)>0.
Solution:
From the given graph it is clear that the graph of f(x) lies above the axis for the intervals (-4,-1) and (1,∞), so f(x)>0 for and .
The graph of f(x) lies below the axis for the intervals (-∞,-4) and (-1,1), so f(x)<0 for and .
Form the given options, interval is the only interval for which the function lies above the x-axis.
Therefore, the correct option is A.
Its C, I have to type this to make it longer so yea its C cuh
You apparently began copying in the middle of the problem,
because ALL dimensions are missing from your question.
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