Find the domain of the function defined by the set of points below. Express your answer as a set of numbers.left bracket, 8, comma, minus, 5, right bracket, comma, left bracket, minus, 2, comma, minus, 9, right bracket, comma, left bracket, 6, comma, minus, 8, right bracket, comma, left bracket, 0, comma, minus, 5, right bracket, comma, left bracket, minus, 8, comma, 9, right bracket, comma, left bracket, minus, 6, comma, 1, right bracket(8,−5),(−2,−9),(6,−8),(0,−5),(−8,9),(−6,1)
Question
Find the domain of the function defined by the set of points below. Express your answer as a set of numbers.left bracket, 8, comma, minus, 5, right bracket, comma, left bracket, minus, 2, comma, minus, 9, right bracket, comma, left bracket, 6, comma, minus, 8, right bracket, comma, left bracket, 0, comma, minus, 5, right bracket, comma, left bracket, minus, 8, comma, 9, right bracket, comma, left bracket, minus, 6, comma, 1, right bracket(8,−5),(−2,−9),(6,−8),(0,−5),(−8,9),(−6,1)
Solution
The domain of a function defined by a set of points is simply the set of all x-values (or first values in each pair) from the given points.
The points given are: (8,−5), (−2,−9), (6,−8), (0,−5), (−8,9), (−6,1)
So, the domain of the function is: {8, -2, 6, 0, -8, -6}
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