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Based on the graph in the previous examp...

Based on the graph in the previous example, which of the following statements must be true
I. `f(5)+f(-5)=0`.
(II. 9f `-5 lt x lt 5`, the maximum value of function f is 4.
III. The quation f(x)=3 has 3 real solution.

A

I only

B

II only

C

I and II only

D

II and III only

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The correct Answer is:
B
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