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svp [43]
3 years ago
7

Please help me with this question

Mathematics
1 answer:
scoundrel [369]3 years ago
5 0
The answer to this is 90.
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Find the inverse of the function: f(x)= 2x-3/x+1
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f(x)=\frac{2x-3}{x+1}\\\\
y=\frac{2x-3}{x+1}\\\\
y(x+1)=2x-3\\\\yx+y=2x-3\\\\yx-2x=-3-y\\\\x(y-2)=-3-y\\\\
x=\frac{-3-y}{y-2}\\\\
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Find the value of this expression if x = 9. x^2+7/x+2​
ElenaW [278]

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8

Step-by-step explanation:

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Thepotemich [5.8K]

Answer:

<em>f(x) = </em>-\frac{1}{4}<em> x - 2 </em>

Step-by-step explanation:

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(4, - 3)

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Viktor [21]

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Step-by-step explanation:

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