Exponential Functions

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Presentation transcript:

Exponential Functions y = a(b)x a= THE STARTING POINT (y-intercept) b= what you multiply or divide by

Geometric Sequences vs. Exponential Equations An EXPONENTIAL EQUATION is a function when you start at ZERO. This is what we call the Y-INTERCEPT of the function.

Geometric Sequences vs. Exponential Equations Starts at 1 Starts at 0 Common ratio or Multiplication/division between each term

Guided Practice

Guided Practice

Guided Practice 3. A colony of insects triples every day. If the colony has 80 insects today, how many will be present in 10 days?

Exit Ticket 1. The Xbox One is being released on Friday. If the stores start off with 500 consoles and sell a fourth of them each hour… a. Write an exponential function to represent this situation. B. How long will it take the stores to run out of consoles? C. Graph the function!