mariano24
27.01.2020 •
Mathematics
Plz me brainliest to whoever answers first.
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Ответ:
This is a Question from an Iready test!
Step-by-step explanation:
Ответ:
(a) (–4, –2) U (2, 4)
Step-by-step explanation:
A graph is concave down where its second derivative is negative. That will be where the slope of the first derivative is negative.
Your graph shows the first derivative has negative slope at the left and right ends. The function f(x) will be concave downward on those intervals:
(–4, –2) U (2, 4)