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Easy

Question

Explain whether this graph represents a function ?

hintHint:

An equation of the form y = f(x) is called a function if there is a unique value of y for every value of x. In other words, every value of x must have one value of y. We can check if the graph is a function by the vertical line test. A graph represents a function if any vertical line in the xy plane cuts the graph at maximum one point.

The correct answer is: graph is a function.


    Step by step solution:
    The given graph is


    We can check if a graph is a function by the vertical line test. A graph represents a function if any vertical line in the xy plane cuts the graph at maximum one point. We use this method to check if the given graph represents a function.
    We can see that if we draw any vertical line in the xy plane, it cuts the graph at exactly one point.
    Hence, the given graph is a function.
    .

    In a function, every value of x must have one value of y. When we draw a vertical, it cuts x axis at one point, we take that point to be x. If the vertical line cuts the graph at two points, then it gives two values of y for one value of x. This does not represent a function

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