Which of the following is a one-to-one function?

A. x=2y^2-3y+5

B. f (x) = {-5x-1; x<-2

{square root of 4 (x+2) x is greater than or equal to - 2

C. y=[x]

D. f (x) = {4; 0 less than or equal to x<2

{5; 2 is less than or equal to x<4

{6; 4 is less than it equal to x<6

Question

Mathematics

Juliette Peterson

5 April, 05:58

Which of the following is a one-to-one function?

A. x=2y^2-3y+5

B. f (x) = {-5x-1; x<-2

{square root of 4 (x+2) x is greater than or equal to - 2

C. y=[x]

D. f (x) = {4; 0 less than or equal to x<2

{5; 2 is less than or equal to x<4

{6; 4 is less than it equal to x<6

+4

Answers (1)

Know the Answer?

Reed Bailey · Answer 1

Answer:B

Step-by-step explanation:

Individual value of x gives only one certain value of f (x)

2 different value of x will not result in same value of f (x)

Thus it is one-one

Which of the following is a one-to-one function?A. x=2y^2-3y+5B. f (x) = {-5x-1; x<-2{square root of 4 (x+2) x is greater than or equal to - 2C. y=[x]D. f (x) = {4; 0 less than or equal to x<2{5; 2 is less than or equal to x<4{6; 4 is less than it equal to x<6

Which of the following is a one-to-one function?

A. x=2y^2-3y+5

B. f (x) = {-5x-1; x<-2

{square root of 4 (x+2) x is greater than or equal to - 2

C. y=[x]

D. f (x) = {4; 0 less than or equal to x<2

{5; 2 is less than or equal to x<4

{6; 4 is less than it equal to x<6