dogsaver14 dogsaver14
  • 01-07-2016
  • Mathematics
contestada

What is the inverse of y = 2x^2 – 8?

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 02-07-2016
[tex]y = 2x^2 - 8 \\ 2x^2 = y + 8 \\ x^2 = \frac{y+8}{2} \\ x = \sqrt{\frac{y+8}{2}} \\ f^{-1} (x)=\sqrt{\frac{x+8}{2}}[/tex]
Answer Link

Otras preguntas

a tunnel is in the shape of a parabola. the maximum height is 30 feet and it is 18 feet wide at the base. what is the vertical clearance 3 feet from the edge of
What is the difference between global trade and domestic trade?
An internal conflict features character vs a. character b.nature c. self d. society
What are the factors in 8(x+4)(y+4)(z2+4z+7) ? how many?why?
What is pH? In Chemistry ! A. A concentration of total ions dissolved in solution B. A measurement indicating how acidic a solution is C. A component of soluti
Where would you insert parentheses to make the statement true?
Is it acceptable for people to reinvent themselves in order to be successful? ( please include a detailed opinion)
A sphere with a radius of 15 cm has the same volume as a cylinder with a radius of 5 cm. What is the height of the cylinder?
Can a random variable have infinite mean
Points (4,4) and (1,7) lie on line n. What is the slope of the line that is perpendicular to n?