Independent and Dependent Variable

Q. The input to a function is referred to as.

1. dependent variable
2. Independent variable
3. relation

Q.

$\$1000$ is taken out of a bank vault each day and nothing is added back.

Which of the following models this situation?

1. linear function with a negative rate of change

2. linear function with a positive rate of change

3. exponential decay function

4. exponential growth function

Q. A coconut produces $350\text{mL}$ of juice on an average. A fruit vendor gets an order to serve $1050\text{mL}$ coconut juice. Choose the correct option regarding this situation.

1. Number of coconuts is the dependent variable and quantity of juice is the independent variable.
2. Number of coconuts is the independent variable and quantity of juice is the dependent variable.

Q. A hydropower plant can produce electricity based on the height of water available. Choose the correct option.

1. Independent variable is the amount of electricity produced.
2. Independent variable is the height of water available..
3. Dependent variable is the amount of electricity produced.
4. Dependent variable is the height of water available.

Q. Penelope took some money to a confectionery store to buy some candies for her brother. Identify the dependent and independent variable.

1. Dependent Variable: Independent Variable:

   Amount of money

   Number of candies

2. Dependent Variable: Independent Variable:

   Number of candies

   Amount of money

3. Both are same here.

Q. Aria is charging her smart device at her home. Determine which variables are dependent and independent.

1. Dependent Variable: Independent Variable:

   Time required to charge the device.

   Amount of charge left in the device prior to charging.

2. Dependent Variable: Independent Variable:

   Amount of charge left in the device prior to charging.

   Time required to charge the device.

Q. Leonardo is making a trip with his family. They made multiple stops at an equal distance during the journey. Comment regarding the dependent variable and independent variable.

1. Time reqired is an independent variable.
2. Time required to cover distance between stops is a dependent variable.
3. Speed of the car is an independent variable.
4. Speed of the car is a dependent variable.