Exploring Applications of Composite Functions

Why is it important for businesses to understand math when applying discounts?

• To ensure they make a profit

• To confuse customers

• To increase the price of products

• To avoid paying taxes

If a store applies a $100 discount first and then a 30% discount on a $500 purchase, what is the final price?

• $300

• $250

• $280

• $350

Which order of applying discounts benefits the customer more: 30% off first or $100 off first?

• It doesn't matter

• $100 off first

• Both are the same

• 30% off first

In the shoe store example, what is the final price if a $10 off coupon is applied first and then a 20% discount on a $155 purchase?

• $130

• $140

• $124

• $116

What is the final price if a 20% discount is applied first and then a $10 off coupon on a $155 purchase?

• $114

• $120

• $125

• $130

In the music store example, what is the composite function for the final cost of a drum kit originally priced at $248?

• 0.75 * 0.90 * x

• 0.90 * 0.75 * x

• 0.85 * 0.80 * x

• 0.80 * 0.85 * x

How much does Ryan save each month if his gross income is $2400?

• $242

• $300

• $200

• $150

How many cubic feet of air are needed to lift 1000 pounds in the hot air balloon example?

• 80,000 cubic feet

• 64,800 cubic feet

• 50,000 cubic feet

• 70,000 cubic feet

In the earthquake example, how long after the earthquake begins will an area of 35,000 square kilometers be affected?

• 25 seconds

• 20 seconds

• 15 seconds

• 11.7 seconds

Approximately when will the number of doctors in Las Vegas exceed 5,000?

• 2030

• 2025

• 2021

• 2035