Researching the problem on the internet, it is found that the function is positive and negative in the following intervals.
What is the problem?
This question is incomplete, hence we have to search it on an internet search engine. Doing it, we get a parabola, and have to identity where it is positive and where it is negative.
When is a function positive and when it is negative?
Looking at the graph, we have that:
- The function is positive when it is above the x-axis.
- The function is negative when it is below the x-axis.
We have a concave up parabola with roots 0 and 4, hence the function is positive and negative in the following intervals.
More can be learned about the signal of a function at https://brainly.com/question/25638609
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