anonymous
  • anonymous
What is the inverse of y=9x^2 -4
Algebra
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
kittiwitti1
  • kittiwitti1
http://mathinsight.org/definition/inverse_function
anonymous
  • anonymous
First what you want to do replace every x with a y and replace every y with an x so first you have y=9x^2-4 then you'll have x=9y^2-4 now get y to be alone to get y alone, first add 4 to both sides so you get x+4 = 9y^2 now you can divide both sides by 9, so y can be alone so you'll have (x+4)/(9) = y^2 now to get rid of the square from the y, take the square root of both sides, so you'll have sqrt(y^2) = sqrt((x+4)/(9)) the square root cancels out the power 2 in the y so you get y = sqrt((x+4)/(9)) which can equal to y=sqrt((x+4))/(3) (since we did the square root of 9 is 3, you dont put a square root over the denominator anymore)
marcelie
  • marcelie
|dw:1442993444549:dw|

Looking for something else?

Not the answer you are looking for? Search for more explanations.