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alekssr [168]
3 years ago
10

Composite functions (Question in image)

Mathematics
1 answer:
Annette [7]3 years ago
7 0

f(0) =  - 6 + 4 =  - 2 \\ g( - 2) = 4
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Step-by-step explanation:

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A graph represents the feasible region for the system: y is less than or equal to 2x, x + y is greater than or equal to 45, and
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6 0
3 years ago
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After releasing of radioactive material into.The atnosphere from.A nuclear.Powe plant in a country in 1988, the hay in that coun
Radda [10]

Answer:

the question is incomplete, so I looked for a similar one:

<em>After the release of radioactive material into the atmosphere  from a nuclear power plant, the hay was contaminated by iodine  131 ( half-life, 8 days). If it is all right to feed the hay to cows  when 10% of the iodine 131 remains, how long did the farmers  need to wait to use this hay? </em>

iodine's half life (we are given x, we need to find b):

0.5A₀ = A₀eᵇˣ

x = 8 days

we eliminate A₀ from both sides

0.5 = eᵇ⁸

ln 0.5 = ln eᵇ⁸

-0.69315 = b8

b = -0.69315 / 8 = -0.08664

since the farmers need to wait until only 10% of the iodine remains (we already calculated b, now we need to find x):

0.1A₀ = A₀eᵇˣ

0.1 = eᵇˣ

ln 0.1 = bx

where b = -0.08664

x = ln 0.1 / -0.08664  = -2.302585 / -0.08664  = 26.58 days

4 0
3 years ago
The population of Hermitville increased from 142,340 to 186,480 in the last 5 years. During the same time period, Crabville incr
Musya8 [376]
The rate of increase of population of Hermitville is given by:
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The population increase in Hermitville is 31.01;
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31.01/26=1.19.
The answer is B
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3 years ago
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