Which relations are functions?
choose all answers that are correct.
a.
a curve that increases from left to right is plotted on a coordinate grid. the curve goes through point negative 2, negative 3, point negative 1, negative 1, point 0, 0, point 1, 1, and point 2, 3.
b.
x −2 0 3 5
y 1 3 2 3
c.
a set of points are plotted on a coordinate grid. the points include point 5, 4, point 4, 1, point 3, 5, point 3, negative 2, point 2, 2, point 1, 0, and point negative 1, 3.
d.
{(−3, 5), (−1, 3), (2, 2), (2, 6)}