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How is the increasing or decreasing nature of a function determined?

User Kuo Jimmy
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Final answer:

The increasing or decreasing nature of a function is determined by the relationship between its variables, depicted on a graph. A positive correlation results in an increasing function, while a negative correlation leads to a decreasing function. Specific data pairs plotted can visually illustrate these trends and correlations.

Step-by-step explanation:

The increasing or decreasing nature of a function is determined by analyzing the relationship between its variables, often plotted on a graph where changes in value can be visually assessed. When the value of y changes as a function of x, and different x values correspond to different y values, this relationship is depicted on a graph. If there is a positive correlation, the function is increasing; as x increases, so does y.

Conversely, with a negative correlation, as x increases, y decreases. Using specific (x,y) data pairs to plot the graph allows us to see this correlation in a visual format

For example, consider a situation where the y-intercept is non-zero and the function shows an upward slope that eventually levels off. This indicates a positive increase that stabilizes over time.

In economic contexts, functions often describe cause and effect, with the left-hand variable being the effect and the right-hand variables detailing the causes or influencing factors.

User Chengcj
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