Question 197249
If the domain of x^2+2x=2 is (1,2,3), then what is the range?
f(x) = x^2 +2x -2
f(1) = 1 + 2 - 2 = 1
f(2) = 4 + 4 - 2 = 6
f(3) = 9 + 6 - 2 = 13
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Range = {1,6,13}
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Cheers,
Stan H.