Which number is not an element of the domain of the
relation shown?
{(-2,4), (0,4), (1, 2), (3, 2)}
A) 2
B) O
C) 1
D) 4

D) 4

Step-by-step explanation:

The domain is the input values, or the first values in the ordered pair

D: { -2, 0, 1,3}

4 is not in the domain

okay wait before i answer, is this for your points on a graph?

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: