C. 2 is an element of set V is your answer
You can use a plot diagram to plot the points and if they all go straight through the origin then it is proportional :)
None of the answers listed are correct.
3x + 11 = k
SUBTRACT 11 from both sides:
3x + 11 = k
-11 -11
You are then left with:
3x = k-11
DIVIDE 3 by both sides:
3x/3 = k-11/3
You are then left with:
x= k-11/3