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2 years ago

5

Indicate whether the functions an exponential growth or decay

1 answer:

Darina [25.2K]2 years ago

7 0

A function of the form A(t) = Cat where a > 0 and a 1 is an exponential function. The number C gives the initial value of the function (when t = 0) and the number a is the growth (or decay) factor. If a > 1, the function represents growth; If 0 < a < 1, the function represents decay.

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zhenek [66]

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Step-by-step explanation:

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8.

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Simplifying complex fractions:brainly.com/question/12214941

Keywords: simplifying, complex, fractions

#LearnwithBrainly

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2 years ago

1. The pollution level in the center of a city at 6 am is 30 parts per million and it

Nady [450]

Answer:

a) $y(t) = 30 + 25t$

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Step-by-step explanation:

The pollution level in the center of a city at 6 am is 30 parts per million and it grows in linear fashion by 25 parts per million every hour.

This means that the pollution in t hours after 6 am is given by:

$y(t) = 30 + 25t$ , which is the answer to question a.

b. The pollution level at 4 o'clock in the afternoon

4 in the afternoon is 10 hours after 6 am, so this is y(10).

$y(10) = 30 + 25*10 = 30 + 250 = 280$

The pollution level at 4 o'clock in the afternoon is of 280 parts per million.

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2 years ago