can someone help me with this

Considering the given graph of the function, we have that:
To find the numeric value of the function, we get a value of x(horizontal axis), and then look at the corresponding value y(vertical axis), then y = f(x).
In the graph of this function, we have that when x = 1, y = -3, hence:
More can be learned about functions at https://brainly.com/question/25537936
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