The table is a linear function, and the rule for the input/output table is f(x) = 1 + 3x
How to determine the rule?
From the table, we can see that:
The output of the table is 1 more than 3 times the input
If the input is x, then the output y is:
y = 1 +3 * x
Evaluate
y = 1 + 3x
Hence, the rule for the input/output table is f(x) = 1 + 3x
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