Linear Function Applications

Which linear function could help a mechanic represent the total cost for a new set of tires with a flat labor fee?

• Variable cost

• Fixed cost

• Profit margin

• Total cost

What does the slope represent in a linear function?

• Fixed cost

• Total cost

• Rate of change

What is the first step in solving a word problem using a linear function?

• Predict the solution

• Plan the solution

• Understand the problem

• Check the answer choices

• Fixed cost

• Total revenue

• Slope

A website charges $12 per design plus a $3 fee. Which function models this?

• $100

• $150

• $200

• $250

A gym charges $30 per month and a $40 enrollment fee. What is the total cost of the membership after 3 months?

• $100

• $115

• $130

• $145

• $110

• $120

• $130

• $140

If a freelancer charges $25 per hour plus a $200 bonus, what is the total for 20 hours of work?

• $500

• $600

• $700

• $800