Question

What is the domain of the following points?

A. {-7, -3, 3, 7}
B. {-3, 3, 7}
C. {3, 7}
D. {-7, 3, 7}

Answer 1

B. {-3, 3, 7}

Explanation:

The domain is the set of their x-coefficients: {-3, 3, 7}.