Question

for each situation below, identify the dependent variable and independent variable. (a) the table below shows how the monthly payment for a life - insurance policy depends on age of the person insured. age of the person insured in years (x) monthly payment in dollars (y) 45 43 50 73 55 95 60 130 (b) a family is going to paint their house. the graph below shows how the area to be painted influences the amount of paint needed. area to be painted (square feet) amount of paint needed (gallons)

Explanation:

Step1: Define variables in (a)

The monthly payment for life - insurance depends on the age of the person. So, the independent variable is the age of the person (x), and the dependent variable is the monthly payment (y).

Step2: Define variables in (b)

The amount of paint needed depends on the area to be painted. So, the independent variable is the area to be painted (in square feet), and the dependent variable is the amount of paint needed (in gallons).

Answer:

(a) Independent variable: Age of the person; Dependent variable: Monthly payment
(b) Independent variable: Area to be painted (square feet); Dependent variable: Amount of paint needed (gallons)