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Tems11 [23]
3 years ago
9

Use the function below to find F(4).

Mathematics
2 answers:
Citrus2011 [14]3 years ago
5 0

Answer:

5/16

Step-by-step explanation:

f(x) = 5 * (1/2) ^x

Let x=4

f(4) = 5 * (1/2) ^4

     = 5 * (1/16)

    = 5/16

AlexFokin [52]3 years ago
3 0
5/6 is the answer.
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Answer:

f(-3) = 44

Step-by-step explanation:

f(x) = 2x² - 5x + 11

Substitute the value.

f(-3) = 2(-3)² - 5(-3) + 11

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3 0
3 years ago
Supose that the half-life of a cesium is 30 years. If there were initially 1000g of the substance,
AveGali [126]

After 200 years, 9.84 grams of Cesium would remain.

Let N represent the amount of substance after t years

The half-life of a cesium is 30 years., hence, this can be represented by exponential function:

N(t)=ab^t

where a is the initial value and b is the multiplier.

There were initially 1000g of the substance

a) The exponential model for this situation is:

N(t) =1000(\frac{1}{2} )^{\frac{1}{30} t}\\\\N(t) =1000(\frac{1}{2} )^{\frac{t}{30}

b) After 200 years (t = 200), the amount of Cesium remaining is:

N(200)=1000(\frac{1}{2} )^\frac{200}{30} \\\\N(200) = 9.84g

Hence after 200 years, 9.84 grams of Cesium would remain

Find out more at: brainly.com/question/24710827

8 0
3 years ago
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