The linear function is shown in **Table 3**.

**Explanation**

The following is the linear equation with slope m and intercept c.

y=mx+c

The formula for the slope of a line with points and can be expressed as,

In table 1,

The slope can be obtained as follows,

The slope of the other two points can be obtained as follows,

The slope is not equal. Therefore, table 1 is not correct.

**In table 2,**

The slope can be obtained as follows,

The slope of the other two points can be obtained as follows,

The slope is not equal. Therefore, table 2 is not correct.

**In table 3,**

The slope can be obtained as follows,

The slope of the other two points can be obtained as follows,

The slopes are equal. Therefore, table 3 is correct.

**In table 4,**

The slope can be obtained as follows,

The slope of the other two points can be obtained as follows,

The slope is not equal. Therefore, table 4 is not correct.

**Table 3** represents the linear function.

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