lambemily03 lambemily03

14-08-2017
Mathematics

contestada

What is the inverse of [tex] x^{2} -2?

Respuesta :

apologiabiology apologiabiology

14-08-2017

assuming you want the inverse of f(x)=x²-2,

f(x)=x²-2
repalce f(x) with y
y=x²-2
switch x and y
x=y²-2
solve for y
x=y²-2
x+2=y²
√(x+2)=y
replace y with f⁻¹(x)
f⁻¹(x)=√(x+2)

the inverse is √(x+2)

Answer Link

Otras preguntas

Which of the following statements is correct for a person that has active Hepatitis B? A. Symptoms may or may not be present B. Infected person's will have jaun

A group is selling chocolate-covered pretzels for 6 dollars per container and kettle corn for 8 dollars per container. They want to sell at least $2,800 in item

The value of 3 in 6,300 is _____ times the value of 3 in 530.

For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}

Explain the different stages in nutrition of amoeba ?

Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 3.02 m away from a waterfall 0.258 m in height, at what minimum speed must a

Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15

The value of 3 in 6,300 is _____ times the value of 3 in 530.

1. The report tomorrow (finish).

Solve each of the following equations. Show its solution set on a number line. Check your answers. |3x-2| = 19