A survey indicates that there are approximately 120 dairy farms in a given area. If there are exactly 400 farms, and exactly 20%
2 answers:
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If is an even function, then
. In this case,
.
This is because an even function is symmetric about the . Hence the outputs of a negative x-value and a positive x-value are the same.
The correct option is the first option.
Since the graph is even, the outputs of a negative x-value and a positive x-value are the same.