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ikadub [295]
2 years ago
9

To find g(x + 7), what do you substitute for x in the function g(x) = 4x - 2?

Mathematics
1 answer:
AlexFokin [52]2 years ago
8 0

Answer: x+7

Step-by-step explanation:

g(x) = 4x - 2

g(x+7)=4(x+7)-2

Substitute (x+7)

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3 divided into 99 equals what
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3 years ago
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Suppose a tank contains 400 gallons of salt water. If pure water flows into the tank at the rate of 7 gallons per minute and the
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Answer:

Step-by-step explanation:

This is a differential equation problem most easily solved with an exponential decay equation of the form

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The concentration of salt changes as the pure water flows in and the salt water flows out. So the change in concentration, where y is the concentration of salt in the tank, is \frac{dy}{dt}. Thus, the change in the concentration of salt is found in

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3(\frac{y}{400})

Therefore,

\frac{dy}{dt}=0-3(\frac{y}{400}) or just

\frac{dy}{dt}=-\frac{3y}{400} and in terms of time,

-\frac{3t}{400}

Thus, our equation is

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6 0
3 years ago
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7 0
3 years ago
$25;300%increse percent change
Korolek [52]


well and 300% increase means you multiply by 3 and then add the original number


in this case 300% of 25 is 75 and its an increase so 25+75=100

the answer is 100

4 0
3 years ago
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