### Home > GB8I > Chapter 4 Unit 5 > Lesson INT1: 4.1.1 > Problem 4-9

4-9.

Copy and complete the table below. Then write an equation for the function.

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output |

We have the starting value, so substitute it into the rule.

Now substitute a known coordinate pair into the equation to solve for (the growth rate).

Use the rule to fill in the table.

Use the eTool below to help solve the problem.

Click the link at right for the full version of the eTool: Int1 4-9 HW eTool