Introduction to Functions — Quiz

Question 10 • Algebra I

What is the domain of the given function? start set 3 comma negative 2 comma 6 comma 1 comma negative 1 comma 4 comma 5 comma 9 comma negative 4 comma 0 end set

Answer

start set x such that x is equal to negative 4 comma negative 1 comma 3 comma 5 comma 6 end set

start set x such that x is equal to negative 4 comma negative 2 comma negative 1 comma 0 comma 1 comma 3 comma 4 comma 5 comma 6 comma 9 end set

start set y such that y is equal to negative 2 comma 0 comma 1 comma 4 comma 9 end set

start set y such that y is equal to negative 4 comma negative 2 comma negative 1 comma 0 comma 1 comma 3 comma 4 comma 5 comma 6 comma 9 end set

Explanation

Read the numbers in pairs: (3, −2), (6, 1), (−1, 4), (5, 9), and (−4, 0). The domain is the set of first coordinates, or x-values: {−4, −1, 3, 5, 6}. Therefore, the correct choice is A.

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