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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Write the equation of a linear function where a taxi charges a flat fee of $6 and $3 per kilometer.
💡 Hint: Identify the fixed cost and variable cost.
Question 2
Easy
If a plant grows 2 cm each day, what is the linear function that describes its height after x days, starting at 6 cm?
💡 Hint: Combine the growth rate with the initial height.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
If a taxi charges $10 base fee and $2 per kilometer, what is the proper function for total cost?
- C(x) = 2x + 10
- C(x) = 10x + 2
- C(x) = 10 + 2x
💡 Hint: Identify the components of a linear function here.
Question 2
True or False: The slope of the line represents the fixed cost in a linear function.
- True
- False
💡 Hint: Think about what each part of the function represents.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A gym charges a monthly fee of $30 plus $2 for each class attended. Write a function for the total cost after x classes.
💡 Hint: Combine the monthly fee with the per-class cost.
Question 2
A research study claims that a substance's temperature decreases linearly from its boiling point over time. If it starts at 100 degrees Celsius and drops to 80 degrees in 10 minutes, write a function to model its temperature over time.
💡 Hint: Identify the initial temperature and the rate of change.
Challenge and get performance evaluation