dogsaver14
dogsaver14
01-07-2016
Mathematics
contestada
What is the inverse of y = 2x^2 – 8?
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
Why was the bay of pigs a success for the USSR?
Solve for x: the quantity of x plus 4 over 3 = 2. A. x = −2 B. x = 2 C. x = 2 over 3 D. x = negative 10 over 3
write the chemical symbol for the ion with 12 protons and 10 electrons
Using _____, comte applied the scientific method to the social world
A tennis ball, a bowling ball, and a feather are dropped from the top of a tall building at the same time. Consider what you have learned about air resistance.
asher recently bought the poster shown at the right. What is its area? Explain your reasoning to a classmate.
If you wanted to evaluate a broken knee, you could use all of the following EXCEPT _____.
The ordered pair (–2, –4) is a solution of which system?
If earth did not revolve around the sun, would there be daytime and nighttime on earth?
Show me how solve the problem 30,402÷107
