DanieleS74977 DanieleS74977

29-10-2022
Mathematics

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If the point (-2,-3) is on the graph of y = f(x), what is the value of f(-2)?

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BaelfireG4796 BaelfireG4796

29-10-2022

When we plot graph of a function f(x), the points of the graph has the form:

[tex]P=(x,f(x))[/tex]

So, if we know that the point (-2,-3) is in the graph, we have:

[tex](x,f(x))=(-2,-3)\rightarrow x=-2\text{ and }f(-2)=-3[/tex]

So f(-2)=-3.

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