The value of f(-2.2) according to the given function; f(x) = [x] +3 is; f(-2.2) = 0.8
Graph of linear functions
According to the question;
- The function represented by the graph is; f(x) = [x] + 3.
Hence, to evaluate the function at; f(-2.2);
We substitute -2.2 for x as follows;
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