Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.Match each exponential equation to its percent rate of change.60% growth40% growth80% decay80% growth20% growth60% decay20% decay40% decay40(0.2)t = 1.660(0.8)t = 1.480(1.6)t = 201.2(1.4)t = 8020(0.6)t = 1.2
Question
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.Match each exponential equation to its percent rate of change.60% growth40% growth80% decay80% growth20% growth60% decay20% decay40% decay40(0.2)t = 1.660(0.8)t = 1.480(1.6)t = 201.2(1.4)t = 8020(0.6)t = 1.2
Solution
To match each exponential equation to its percent rate of change, we need to identify whether the equation represents growth or decay and then determine the rate.
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40(0.2)^t = 1.6
- The base is 0.2, which is less than 1, indicating decay.
- To find the percent rate of decay: or 80% decay.
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60(0.8)^t = 1.4
- The base is 0.8, which is less than 1, indicating decay.
- To find the percent rate of decay: or 20% decay.
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80(1.6)^t = 20
- The base is 1.6, which is greater than 1, indicating growth.
- To find the percent rate of growth: or 60% growth.
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1.2(1.4)^t = 80
- The base is 1.4, which is greater than 1, indicating growth.
- To find the percent rate of growth: or 40% growth.
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20(0.6)^t = 1.2
- The base is 0.6, which is less than 1, indicating decay.
- To find the percent rate of decay: or 40% decay.
Now, let's match each equation to its percent rate of change:
- 40(0.2)^t = 1.6 → 80% decay
- 60(0.8)^t = 1.4 → 20% decay
- 80(1.6)^t = 20 → 60% growth
- 1.2(1.4)^t = 80 → 40% growth
- 20(0.6)^t = 1.2 → 40% decay
So the correct pairs are:
- 40(0.2)^t = 1.6 → 80% decay
- 60(0.8)^t = 1.4 → 20% decay
- 80(1.6)^t = 20 → 60% growth
- 1.2(1.4)^t = 80 → 40% growth
- 20(0.6)^t = 1.2 → 40% decay
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