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faust18 [17]
3 years ago
6

What is x-2+3 = -2 ​

Mathematics
1 answer:
serg [7]3 years ago
5 0

Answer:

x=-3

Step-by-step explanation:

x-2+3=-2

Add 2 to both sides:

x+3=0

Subtract 3 from both sides:

x=-3

Hope this helps!

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F(x)=2x+1/x-1 then f^-1(1)​
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Answer:

  • f⁻¹(x) = (x + 1) / (x - 2)
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Step-by-step explanation:

<u>Given function:</u>

  • f(x) = (2x + 1) / (x - 1)

<u>Find its inverse, substitute x with y and f(x) with x, solve for y:</u>

  • x = (2y + 1) / (y - 1)
  • x(y - 1) = 2y + 1
  • xy - x = 2y + 1
  • xy - 2y = x + 1
  • y(x - 2) = x + 1
  • y = (x + 1) / (x - 2)

<u>Substitute y with f⁻¹(x):</u>

  • f⁻¹(x) = (x + 1) / (x - 2)

<u>Find  f⁻¹(1 ):</u>

  • f⁻¹(1 ) = ( 1 + 1) / (1 - 2) = 2 / - 1 = - 2
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What is the solution to <br> (2.4*10^11)/(1.2*10^9) using scientific notation
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bearhunter [10]

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Step-by-step explanation:

6 0
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