# How do I find #f(3)# from the graph of #f(x) = x^2 - 4x + 3#?

##### 1 Answer

Jul 3, 2015

From the graph, by just looking and guessing.

#### Explanation:

This is the graph of that function:

graph{x^2-4x+3 [-2, 6 -3, 8]}

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