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3 years ago

PLZ HELP ME (I need step by step workout and answer)

Mathematics

1 answer:

FrozenT [24]3 years ago

3 0

Answer:

f⁻¹(x) = 5th root(x/4 - 5/4)

Step-by-step explanation:

f(x) = 4x^5 + 5

substitute y for f(x):

y = 4x^5 + 5

swap x and y:

x = 4y^5 + 5

subtract 5 from each side:

x - 5 = 4y^5

divide both sides by 4:

(x - 5)/4 = y^5

get the 5th root of each side:

y = 5th root(x/4 - 5/4)

f⁻¹(x) = 5th root(x/4 - 5/4)

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3 years ago

3(-4n - 9) = 21 plc solve

erma4kov [3.2K]

<h3>Answer:</h3>

$\huge{\boxed{n=-4}}$

<h3>Explanation:</h3>

$\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}$

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I don't get it. Can you also explain why and the steps

Fynjy0 [20]

I think this shows more helpful to u
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3 years ago

Who wants to do an algebra 1 assignment for me? I will email you the pdf

andrew11 [14]

Answer:

Step-by-step explanation:

People arent on brainly to do others work, they are here to help, NOT DO YOUR WORK

Resepect us more please. We stay on here just to help people. We take time out of our days to help people. So please dont make them do your work. They are here to help not be your personal servant.

Have a wonderful day! :)

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2 years ago

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