Increasing: A function is increasing, if as x increases (reading from left to right), y also increases . In plain English, as you look at the graph, from left to right, the graph goes up-hill. The graph has a positive slope.
Decreasing: A function is decreasing, if as x increases (reading from left to right), y decreases. In plain English, as you look at the graph, from left to right, the graph goes down-hill. The graph has a negative slope.
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Answer:
Increasing: A function is increasing, if as x increases (reading from left to right), y also increases . In plain English, as you look at the graph, from left to right, the graph goes up-hill. The graph has a positive slope.
Decreasing: A function is decreasing, if as x increases (reading from left to right), y decreases. In plain English, as you look at the graph, from left to right, the graph goes down-hill. The graph has a negative slope.