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2 years ago

Is this a function?

Mathematics

1 answer:

Brums [2.3K]2 years ago

6 0

Answer:

Yes

Step-by-step explanation:

It is a function since each x-coordinate is used only once. No two x-coordinates are equal. That makes it a function.

Answer: Yes

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2 years ago

Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th

DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested $\$400$

Rate of interest $R=6\%$

after 1-year amount becomes

$A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424$

After n years it is

$A=400\left (1.06\right)^n$

Sum accumulated is $\$1200$

$\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}$

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3 years ago

Which radical expressions are equivalent to 7 5/4

Troyanec [42]

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Step-by-step explanation:

Yw and mark me brainiest

4 0

2 years ago

Read 2 more answers

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LekaFEV [45]

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2 years ago

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barxatty [35]

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3 years ago