Hey, could someone help me with the following task about highs and lows?

Hey, I was asked to determine the peak and trough points of a certain function using the sign change criterion. I did just that.
Could someone help me with the second part of the task?:

How do I describe the course at the point X=0 (of f) without seeing the graph?
Thank you.

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Helmut3445
1 year ago

This is the monotony behavior. Easily f'(0) = ….

Positive result -> Increases

negative –> falls