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

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post