6
QuizMultiple Choice
Using Function Notation
Question 6 • WI-Mathematics Grade 8 A
Which choice shows a function with a domain of {–4, –2, 2, 4}?
Answer
A
On a coordinate plane, a vertical line is at x = 2.
B
On a coordinate plane, a line goes through (negative 2, negative 2) and (0, negative 3).
C
{(–4, 2), ( –2, 1), (2, 0), (4, 5)}D
{(1, –4), (0, –2), (2, 2), (6, 4)}