JinxMaster
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|

Relax

Respuesta :

paulancka
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

Who were the peninsulares, and why did the Creoles resent them?
Which of the following is a way in which water resources are consumed? a. drinking b. industry c. business d. all of the above
What is the ph of a 0.027 M KOH solution?
When a story is told from the _____ point of view, the narrator has full knowledge of all the characters.
Which of the following best describes the word organizing in the sentence? The students have been organizing the school dance for the last month. A. Conjugat
7) Drawing 2 cards that are all 8 from a deck of cards? __________
Republican Presidents in the 1920s generally favored a. business. b. labor. c. families. d. subversives.
The main issue of the Cold War concerned the occupation of the conquered areas of World War II. a. True b. False
Plz help find the lateral area of the square pyramid
What is 4 pints into quarts