- Create a table that gives the computed values for at least 5 points and choose t values that are evenly spaced.
- Observe any patterns or relationships in the numeric data (common growth factor or decay factor evidenced by dividing subsequent y values).
- Use your observations to write a formula that describes the data (y = a * b
^{t}). - Use technology to graph your exponential function and sketch it (scale the axes) by hand.
- Use your formula to answer the given question (if applicable, write the equation that you need to solve using the "intersection" command on your graphing calculator; next week, we will learn algebraic methods for solving exponential equations). Include units and round to 2 decimals (nearest hundredth) where appropriate.

**Question #3**

Carbon-14 has a half-life of 5730 years. If a substance initially contained 6 grams of C-14 and it now has .12 grams, how old is the substance? Why do you think carbon-14 is a good element to date fossils?

Subject | Mathematics |

Due By (Pacific Time) | 10/20/2013 07:00 pm |

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