3 years ago

can you please create real life problems using derivatives like rate of change and increasing , decreasing functions thanks

1 answer:

5 0

Answer:

To calculate the profit and loss in business using graphs, help you predict fluctuations on the stock market, check temperature variation...

I really hope this helps you!

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Hello, can someone simplify 7^15/7^22? Thanks.

SIZIF [17.4K]

Answer: 1.21426567 • 10^-6

or 1/823543

Step-by-step explanation:

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3 years ago

Which is the rationalized form of the expression sqrtx/sqrtx+sqrt7

ArbitrLikvidat [17]

Answer:

(x - √7*√x) / (x - 7)

Step-by-step explanation:

I suppose your expression is √x / (√x + √7)

(√x * (√x - √7)) / ((√x + √7) * √x - √7)) = (√x * √x - √7 * √x) / (x - 7)

= (x - √7*√x) / (x - 7)

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3 years ago

4^x-4^x-1=24,then find (2x)^x

DENIUS [597]

Answer: 5²⁻⁵

<u>Step-by-step explanation:</u>

$4^x-4^{x-1}=24\\\\\\3(4^{x-1})=24\\\\\\4^{x-1}=8\\\\\\2^{2(x-1)}=2^3\\\\\\2(x-1)=3\\\\\\x-1=\dfrac{3}{2}\\\\\\x=\dfrac{5}{2}\quad \rightarrow x=2.5$

$(2x)^x\quad =(2\cdot 2.5)^{2.5}\quad =\large\boxed{5^{2.5}}$

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3 years ago

Karen earns $62.25 for working 9 hours. if the amount she earns varies with the number of hours she works how much will she earn

nata0808 [166]

Answer:

$103.75

Step-by-step explanation:

we know that

Karen earns $62.25 for working 9 hour

using proportion

Find out how much she will earn for working 15 hours

$\frac{62.25}{9}\ \frac{\$}{h}=\frac{x}{15}\ \frac{\$}{h}\\\\x=62.25(15)/9\\\\x=\$103.75$

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3 years ago

I the diagram wht is m What does it equal

Liono4ka [1.6K]

Answer:

where is diagram..........???

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3 years ago