To find the limit of \lim_{{x \to 3}} (4-x) , we can simply substitute x = 3 into the expression 4-x .
Substitute x = 3 : 4 - 3 = 1
Therefore, the limit is: \boxed{1}
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Math Question: If the median of a data set is 15, and the sum of the other two data points is 35, what are the two possible values for the other two data points?
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Math Question: Determine the equation of a parabola that opens downward, has a vertex at (2, -4), and passes through the point (6, -20).
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In △ABC and △DEF, if AB = DE, BC = EF, and ∠ABC = ∠DEF. Find the value of ∠ACB.