The best sentence that describes the interval [-2, 1] implies that the function is increasing on the interval [-2, 1].
What is a cubic polynomial function?
A cubic polynomial function is a polynomial function whose power is at 3°. It has a general formula f(x) = ax³ + bx² + cx + d.
where;
- a, b, c, and d are real numbers, hence a ≠ 0.
If the data given in the table is represented on the graph, we can see that the data value proceeds in increasing order from negative to positive, as such:
The best sentence that describes the interval [-2, 1] implies that the function is increasing on the interval [-2, 1].
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