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bayangan dari {2, 3, 4}, berarti g(2), g(3), g(4).
g(x) = - 5x + 5
g(2) = - 5(2) + 5
g(2) = 4 - 10 + 5
g(2) = -1
g(x) = - 5x + 5
g(3) = - 5(3) + 5
g(3) = 9 - 15 + 5
g(3) = -1
g(x) = - 5x + 5
g(4) = - 5(4) + 5
g(4) = 16 - 20 + 5
g(4) = 1
jadi, bayangan dari {2, 3, 4} adalah {-1, -1, 1}