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Which table of ordered pairs matches the following function? y=2x+2

User Minopret
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We need to find the actual answers for f(x) to the different values of x in the tables.

Notice that the x values of the tables are all the same: -2, -1, 0, 1, and 2

So we proceed to evaluate y for the 5 values of x given above:

For x = -2 then y = 2 (-2) + 2 = -4 + 2 = -2

For x = -1 then y = 2 (-1) + 2 = -2 + 2 = 0

For x = 0 then y = 2 (0) + 2 = 0 + 2 = 2

For x = 1 then y = 2 (1) + 2 = 2 + 2 = 4

For x = 2 then y = 2 (2) + 2 = 4 + 2 = 6

Then we pick the table that contains the following pattern for y values associated with the x-values -2, -1, 0, 1, 2 given below

-2, 0 , 2, 4, 6

which agrees with the values shown in the fourth selection option.

User Tamik Soziev
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