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iris [78.8K]
3 years ago
5

Which is the inverse fuction of f(x)=4x

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

f(x)=4x


To find the inverse, first change f(x) to y:

y = 4x

Now switch the variables:

x = 4y

Solve for Y:

Divide both sides by 4:

y = x/4


Now replace y with the inverse function f^-1(x):


f^-1(x) = x/4



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3 years ago
the temper ire of chicken soup is 192.7 F as it cools the temperature of the soup decreases 2.3 what is the temperature of the s
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The temperature of soup after 25 minutes is 135.2^{\circ}\ F

<em><u>Solution:</u></em>

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As it cools, the temperature of the soup decreases 2.3°F per minute

Let the initial temperature be T_0

Let "t" be the time for rate of decrease

Set up an equation

Temperature = Initial temperature - decrease in temperature

Decrease in temperature = rate of decrease x time

Therefore,

T = T_0-2.3t

<em><u>To find the temperature of soup after 25 minutes, substitute t = 25</u></em>

T = 192.7 - 2.3 (25)\\\\T = 192.7 -57.5\\\\T = 135.2

Thus the temperature of soup after 25 minutes is 135.2^{\circ}\ F

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3 years ago
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2 years ago
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Answers 3 and 5

Step-by-step explanation:

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3 years ago
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