The interval that is a solution for the graph to be positive is; D: -∞ < x < -1
How to interpret graph intervals?
For the graph to be positive, the x-values will have to produce y-values that are always positive.
Now, from the given graph, we can see that all the x-values less than -1 produce positive values of y which makes the graph positive.
Thus, the interval that is a solution for the graph to be positive is;
-∞ < x < -1
Read more about Graph Intervals at; https://brainly.com/question/4025726
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