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Anni [7]
3 years ago
13

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

ate of increase or decrease per unit
of x, to the nearest tenth of a percent.
y = 1600e -0.1252
Mathematics
1 answer:
postnew [5]3 years ago
5 0

Answer: -34738.4259228

Step-by-step explanation:

It’s a decrease because your dividing 1600e -0.1252

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What percent of increase for a population that changed from 25,000 to 30,000
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percent of increase for a population that changed from 25,000 to 30,000

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So, the increase in population is 5000

To find percent of increase , we divide the increase in population by initial population.

So percent of increase = \frac{5000}{25000} * 100

= 0.2 * 100

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2. A solar lease customer built up an excess of 6,500 kilowatt hours (kwh) during the summer using his solar
tia_tia [17]

9514 1404 393

Answer:

  a)  E = 6500 -50d

  b)  5000 kWh

  c)  the excess will last only 130 days, not enough for 5 months

Step-by-step explanation:

<u>Given</u>:

  starting excess (E): 6500 kWh

  usage: 50 kWh/day (d)

<u>Find</u>:

  a) E(d)

  b) E(30)

  c) E(150)

<u>Solution</u>:

a) The exces is linearly decreasing with the number of days, so we have ...

  E(d) = 6500 -50d

__

b) After 30 days, the excess remaining is ...

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__

c) After 150 days, the excess remaining would be ...

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The supply is not enough to last for 5 months.

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Answer:

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Step-by-step explanation:

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