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EX 5G APPLICATIONS OF GEOMETRIC SEQUENCES

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GEOMETRIC SEQUENCES Application type questions involves growth and decay of discrete variables. Eg: population (increase/decrease) financial investments (increase/decrease) depreciation/appreciation interest earned

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Geometric Growth 1. Geometric growth or increase is expressed as a percentage increase 2. Common ratio (r)= 1+% increase 3. r values are greater than 1, for example, an 8% increase gives r =1.08

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Geometric Decay 1. Geometric decay or decrease is expressed as a percentage decrease. 2. Common ratio (r) = 1 - % decrease 3. r values are less than 1, for example, an 8% decrease gives r = 0.92

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COMPOUND INTEREST

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EXAMPLES Please refer to handout

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CLASSWORK/HOMEWOR K EX 5G pg 237 Q’s 1-14(all)

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Lesson 10.6 Exponential Growth & Decay Value of Items (Appreciation) Ending amount = Starting amount (1 + rate) time Value of Items (Depreciation) Ending.

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