The equation \large d=45-4r represents the amount \large d (in dollars) of money you have after renting \large r video games. Determine which statements about the relationship are true. Choose two options.

a
d is the independent variable.
b
d is the dependent variable.
c
r is the independent variable.
d
r is the dependent variable.
e
The two variables cannot be labeled as independent or dependent without a table of values.