Solve the inequality: x^2 ·(x +9)·(x −5)≥0
2 answers:
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Answer:
We calculate the slop of a line.
How to find the slope:
Pick any two points on a graph
The formula of slope is
For example we have two points that contains the coordinates (5,2) (7,4)
Inserting them to the formula would result in:
=
Our rate of change is rise 2, run 2.
