Please answer? Urgent!

R
(
t
)
R
(
t
)
is said to vary proportionally to
Q
(
t
)
Q
(
t
)
if there is a value
k
k
such that
R
(
t
)
=
k
Q
(
t
)
R
(
t
)
=
k
Q
(
t
)
for every value of
t
t
. Based on the table above, does it look like
R
(
t
)
R
(
t
)
varies proportionally to
Q
(
t
)
Q
(
t
)
?