JinxMaster JinxMaster

21-05-2017
Mathematics

contestada

Which function has an inverse that is a function?

1. b(x) = x2 + 3
2. d(x) = –9
3. m(x) = –7x
4. p(x) = |x|

Respuesta :

paulancka paulancka

23-05-2017

1. y = x^2 +3
x = y^2 +3
x - 3 = y^2
y = + or - √(x-3) not a fction

2. y = 0x -9
x = 0y -9
x = -9 not a fction

3. y = -7x
x = - 7 y
y = - x/7 yes function

4. y = |x|
x = |y|
y= x,-x not a function

Answer Link

Otras preguntas

I eat rice. ( Make it passive)

give two functions of pericardium embrane

What is the Answer.

Historically, what have been some of the functions of architecture and construction? Select all. - to portray the legacies of people of the past -to provide fun

Find a cubic function f(x) = ax3 + bx2 + cx + d that has a local maximum value of 3 at x = −3 and a local minimum value of 0 at x = 1.

The shape is composed of squares and quarter circles. Select all the expressions that represent its perimeter. (Select all that apply.) 42+14 7+7+7+7+7+7+3.5+3.

ILL GIVE YOU BRAINLYIST

Use the following chart to record what you notice about Scrooge’s character at the beginning of each reading and the end of each reading. Scrooge’s character a

What occured after Susan B. Anthony gave her speech on this subject: Is It a Crime for a U.S. Citizen not to Vote? A) Anthony was arrested for trying to vote in

Tickets for 2 adults and 4 children at a theme park cost £152. An adult ticket costs twice as much as a child ticket. Write and solve an equation to work out th