Identify the independent and dependent variable of the following graph. Indicate whether the graph rises, falls, or is constant. Annual gross income in relation to number of years.
a. Independent Variable: time, dependent variable: annual income Graph falls and then steadily rises.
b. Independent Variable: annual income, dependent variable: time Incomes rises steadily then drops off sharply before beginning to rise again.
c. Independent Variable: annual income, dependent variable: time Income remains steady throughout time.
d. Independent Variable: time, Dependent Variable: annual income. Income rises steadily then drops off sharply before beginning to rise again.