Exponential Rates. Use fractional exponents to solve equations.

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Presentation transcript:

Exponential Rates

Use fractional exponents to solve equations

Sheet of paper! Interpreting growth rate

Definitions Growth rate: percentage or amount changed Growth factor: same as common ratio The population is growing at 3% per year. Growth rate=____ Growth factor=_______

Sochi Olympics! Sochi, Russia NBC Promo

The Bird’s Nest!

Inside the Bird’s Nest

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Curling The release speed of the rock is 1.8 m/s. The rock’s speed is decreasing exponentially. 4 seconds after release, the speed of the rock is 0.9 m/s. At what rate is the rock slowing down?

A Bobsled is getting faster exponentially! What is the rate of increase? Time (seconds)05814 Speed m/s

Steps 1.Pick 1 Input output pair 2.Plug in the initial term 3.Solve equation using fractional exponents