What is the domain of the function represented by these ordered pairs? {(-2, 1), (0, 0), (3, -1) (-1, 7), (5, 7)}
O-2, -1, 0, 3,5}
O {-1, 0, 1, 7}
O {-2, -1, 0, 1, 3, 5, 7}
O {0, 1, 2, 3, 5}

A. {-2, -1, 0, 3, 5}

Step-by-step explanation:

The domain is the set containing the x-coordinates of all the points of the function.

{(-2, 1), (0, 0), (3, -1) (-1, 7), (5, 7)}

Domain: {-2, -1, 0, 3, 5}

Explanation:

Every point of that given function is in the form (x,y). The x coordinate is always listed first. The domain is the set of allowed x values of a function. All we do is list the x coordinates of each point. Optionally you sort the x values from smallest to largest just to keep things consistent. Though a set like {1,2,3} is the same as {3,1,2}.

Side note: the range is the set of possible y values of a function

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step-by-step explanation:

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step-by-step explanation:

because there are always 10 numbers in a phone number.