Determine any data values that are missing from the table, assuming that the data represent a linear function.xy417619 2110

From the pairs (4, 17) and (6, 19), when x increases by 2, y also increases by 2, so the linear rule has a rate of change of 1. The pair with y = 21 must therefore have x = 8, and when x = 10, y = 23. The missing values are x = 8 and y = 23, which is choice A.

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