Stanton received a $10 gift card to download music. Each song costs $1.50. The amount of money remaining on the gift card, f(x), is a function of the number of songs purchased, x.
Added by Stephen M.
Step 1
Step 1: The initial amount on the gift card is $10, so we can write the initial amount as f(0) = 10. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Debasish Das and 59 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Josh downloaded 25 tunes from an online site for his MP3 player. Some songs cost $\$ 0.90$ each, while others were $\$ 1.50$ each. He spent a total of $\$ 27.30 .$ How many of each type of song did he download?
Linear Equations and Inequalities
Mixture Applications and Uniform Motion
The cost of downloading popular songs from iTunes is given by $y=1.29 x$, where $x$ represents the number of songs downloaded and $y$ represents the cost, in dollars. a) Make a table of values using $x=0,4,7,$ and $12,$ and write the information as ordered pairs. b) Explain the meaning of each ordered pair in the context of the problem. c) Graph the equation. Use an appropriate scale. d) How many songs could you download for $\$ 11.61 ?$
Linear Equations in Two Variables
Graphing by Plotting Points and Finding Intercepts
Renata wins a $20 gift card to an online music site. After Renata purchases 16 songs, the gift card has a remaining balance of $0. Which equation represents the relationship between y, the remaining balance on Renata's gift card, and x, the number of songs purchased?
Victor S.
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD