anonymous
  • anonymous
What is the inverse of this quadratic function? y=4-x^2+3x,,, thx
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
just plug y in for x and x in for y; then solve for y
anonymous
  • anonymous
x=4-y^2+3y x=-y^2+3y+4 0=-y^2+3y-x+4 But now what?
anonymous
  • anonymous
solve for y now...|dw:1333326025169:dw| from that last line, can you solve for y? that will be your inverse. but also consider the domain for f^-1(x) now....

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anonymous
  • anonymous
Could you explain to me how to solve for y in the last step? :)
anonymous
  • anonymous
take the square root of both sides....
anonymous
  • anonymous
|dw:1333326824595:dw|
anonymous
  • anonymous
ok you got it. but now, what is the domain of this inverse?
anonymous
  • anonymous
x has to be less than or equal to 6.25 (25/4)
anonymous
  • anonymous
good job... you got it... :)
anonymous
  • anonymous
thank you!! :)
anonymous
  • anonymous
np

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