Question

What is the domain of f?

A. {-4, -1, 0, 2, 7}
B. {-5, -4, -1, 0, 1, 2, 4, 7}
X
N
7
f(x)
C.
D. {5}
4
{-5, 0, 1, 2, 4, 7}

Answer 1

A.
`\{-4, -1, 0, 2, 7\}`

Explanation:

The domain is the set of input values, which corresponds to
`x` on the mapping diagram.