sweetdaisy2000
sweetdaisy2000
20-06-2017
Mathematics
contestada
what is the inverse of y=9x^2-4
Respuesta :
Pintlefrump
Pintlefrump
20-06-2017
You have y in terms of x. Solve for x in terms of y.
y = 9x^2 - 4
Add 4 to both sides:
y + 4 = 9x^2
Divide both sides by 9:
(y+4)*(1/9) = x^2
Take the square root of both sides:
(y+4)^(1/2) * (1/9)^(1/2) = x
(y+4)^(1/2) * 1/3 = x
x = 1/3(y+4)^(1/2)
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
How did many people on the home front support the war effort during World War II?
49,254 find value of 9
If x = −4 is a zero of the polynomial function f(x) = 2x3 + 13x2 + 23x + 12, which of the following is another zero of f(x)? x = 4, x = −1, x = 1, x = 12?
name of block education officer
Determinate the minimal value of the module of vector: [tex]\vec{u}=(m-1)\vec{i}+(2+m)\vec{j} [/tex]
how do you solve 5=z/-4 - 3
How many electrons are in O2-?
which equations are related to x−9=4 ? select each correct answer. x=9−4 x=4 9 x 4=9 x−4=9
Jacob earned $85 babysitting and deposited the money into his savings account the next week he spent $85 on video game use integers to describe the weekly chang
The difference between the boiling and melting points of fluorine is 32 degrees C. If the boiling point of fluorine is -188 degrees C, write an equation and so
