The graph shown in the question is decreasing which is option B.
What is increasing or decreasing function?
The function whose values keeps increasing as the value of x increases then the function is increasing function, but the function whose values keeps decreasing when the value of x increases then it is said to be decreasing function.
How to find function?
If we see the graph we can find that as the values of x are increasing the graph keeps down means the value of function is decreasing. It means it is the graph of a decreasing function.
Hence the graph is of decreasing function.
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