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KonstantinChe [14]

3 years ago

5

Monique Fournier deposited $12,500 into a savings account paying 6.5% annual interest compounded monthly. How much compound inte

rest will she have earned after three years?
Can someone explain this please?

1 answer:

almond37 [142]3 years ago

4 0

She earned 15,000 compound interest

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Which equation is the inverse of 2(x-2)squared=8(7+y)

dsp73

Answer:

$f^{-1}(x)=2(+/-)2\sqrt{(7+x)}$

Step-by-step explanation:

we have

$2(x-2)^{2}=8(7+y)$

step 1

Exchange x for y and y for x

$2(y-2)^{2}=8(7+x)$

step 2

isolate the variable y

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take the square root both sides

$y-2=(+/-)\sqrt{4(7+x)}$

$y=2(+/-)\sqrt{4(7+x)}$

step 3

Let

$f^{-1}(x)=y$

$f^{-1}(x)=2(+/-)\sqrt{4(7+x)}$

$f^{-1}(x)=2(+/-)2\sqrt{(7+x)}$ ----> equation of the inverse

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