PreCalc - Max Park

PreCalc - Max Park

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  • A Random NYC Street
  • A Random NYC Street
  • Excuse me sir, can you spare me a couple bucks, please?
  • Sure thing, but on one stipulation. You must put it in an account and compound it continuously.
  • A Random NYC Street
  • Why, and how should I do that, sir?
  • You should do it to make more money so you will be off the streets sooner. To do that, you use the equation A=Pe^rt.
  • A very hungry homeless man sits on the sidewalk as a man walks by him.
  • A Random NYC Street
  • Can you explain? I never took Pre-Calculus because I dropped out to pursue a music career that didn't work out...
  • The homeless man begs for money, but the stranger has one condition...
  • A Random NYC Street
  • The man, a Pre-Calculus teacher, has a plan for the homeless man, using a certain equation to find how much money he will have after a certain period of time.
  • A Random NYC Street
  • Then, if you wait 10 years, then plug 10 in for "t". With all of this, you get A=50e^(.15)(10). When you solve this, you'd have roughly $224.08.
  • The Pre-Calculus teacher begins to tell the homeless man his plan, first starting with the variable "P," or the initial amount. 
  • Sure! I'll give you $50, which is the initial amount. You plug that in for "P".
  • The Pre-Calculus teacher then tells the homeless man how to find out what to plug in for the variable "r." 
  • Then, if the account compounds it continuously at a rate of 15% per year, then turn it into a decimal, .15, and plug it in for "r"
  • Now that they have solved for A, the homeless man is very excited to hear that he will have over $200.  
  • Over $200?! Wow, thank you, sir! I'll be rich and I won't have to eat trash!
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