anonymous
  • anonymous
Find the inverse of the function: f(x) = 6x^2 + 2x + 5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Wait a sec
anonymous
  • anonymous
K this questions a bit weird is it a part of another question? Cause in functions you cant have a parabolic equ.
anonymous
  • anonymous
a what?

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anonymous
  • anonymous
oh I see
anonymous
  • anonymous
I just did a whole assignment that took me 4 hours with the notion that this was a function. This was my last question on it. -.-
anonymous
  • anonymous
But if its a basic functions i guess you could still do it
anonymous
  • anonymous
so it still works as a function?
anonymous
  • anonymous
Wait a sec let me work something out
anonymous
  • anonymous
when x=7 then f(7)=313 so doesnt that make it a function?
anonymous
  • anonymous
So we have x values
anonymous
  • anonymous
?
anonymous
  • anonymous
So the problem here is that for every x value we put in the equ. We get a y value back
anonymous
  • anonymous
But for every y value we put in the equ. We get 2 x values
anonymous
  • anonymous
Have you ever heard of one to one function?
anonymous
  • anonymous
Anyways goodluck I gtg
anonymous
  • anonymous
yea but there can be two x values for one y
anonymous
  • anonymous
\[y=6x^2+2x+5\rightarrow 6x^2+2x+5-y=0\]\[x=\frac{ -2+\sqrt{4-4·6·(5-y)} }{ 12}=\frac{ \sqrt{6y-29}-1 }{ 6 }\]
anonymous
  • anonymous
I don't think that the function has inverse The idea is to complete the square then solve for x, the problem that u did not specify any interval , however , to make the inverse possible you should consider any interval includes only one complete half the parabola or some interval of it

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