x = 0
y = 26 - 4x + 2
y = 26 - 4(0) + 2
y = 26 - 0 + 2
y = 26 + 2
y = 28
(x, y) = (0, 28)
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x = 3
y = 26 - 4x + 2
y = 26 - 4(3) + 2
y = 26 - 12 + 2
y = 14 + 2
y = 12
(x, y) = (3, 12)
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x = 6
y = 26 - 4x + 2
y = 26 - 4(6) + 2
y = 26 - 24 + 2
y = 2 + 2
y = 4
(x, y) = (6, 4)
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Domain (Input): {0, 3, 6}
Range (Output): {28, 12, 4}
{(0, 28), (3, 12), (6, 4)}