Question

Which equations have a unit rate of change of 4.5? Select two answers.

A.
y
=
62
+
4
.
5
x
B.
c
=
4
.
5
+
3
(
h
−
1
)
C.
c
=
12
+
4
.
5
(
h
−
1
)
D.
y
=
3
.
5
x
+
1
E.
y
=
4
.
5
+
20
x