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Fun CD Shopping Project: Real-World Problem Solving

Join Savannah and Kelsi on their mall adventure, solving math equations to calculate CD costs. Learn about variables, domains, ranges, and functions through a fun and interactive project.

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Fun CD Shopping Project: Real-World Problem Solving

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Presentation Transcript

  1. FUNction Project ;D BY: Kelsi Brinkmeyer

  2. Real World Problem ;D Savannah and Kelsi went to the mall and bought CD’s. if one CD costs 15.95, then how much will it be if the have enough money to buy 4?

  3. Equations ;D The equation to my problem is: y- 15.95x or f(x)- 15.95x. X- number of CD’s Y- total cost.

  4. Independent & Dependent ;D TheIndependent variable is the number of CD’s. The Dependent variable isthe total cost. So, the total cost depends on the number of CD’s

  5. Table of values ;D

  6. Domain & Range ;D Domain: (1, 2, 3, 4) Range: (15.95, 31.90, 47.85, 63.80) R A DOMAIN G E

  7. Continuous or discrete? ;D My data contains points, NOT a line. So, it is DISCRETE.

  8. Is it a function? ;D If it is a function, the x values won’t repeat. So therefore my problem is a function because they don’t repeat.

  9. CD graph ;D Total cost Number of CD’s

  10. Answer ;D Depending on how many CD;s they buy, Kelsi & savannah could spent $15.95- $63..80 (without tax)

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