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1 answer:
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Answer:
The function is one-to-one function ⇒ 1st
The function is one-to-one function ⇒ 2nd
The function is one-to-one function ⇒ 4th
Step-by-step explanation:
* Lets explain how to solve this problem
- One to one function is the function that has no reputation in the value
of the y-coordinates for every corresponding x-coordinates
- That means when you draw a horizontal line at any value of y, then
the horizontal line intersects the graph of the function at one point
only
- So to solve the problem look to the attached figures
# The red graph of the function ⇒1st graph
- In this graph if we draw a horizontal line at any value of y it will
intersect the graph at only one point
- Take care there is a horizontal asymptote at y= 1/3, that means
there is no value of x at y = 1/3
∴ The function is one-to-one function
# The blue graph of the function ⇒2nd graph
- In this graph if we draw a horizontal line at any value of y it will
intersect the graph at only one point
∴ The function is one-to-one function
# The green graph of the function ⇒3rd graph
- In this graph if we draw a horizontal line at any value of y it will
intersect the graph at only one point
∴ The function is one-to-one function
# The purple graph of the function ⇒5th graph
- In this graph if we draw a horizontal line at any value of y it will
intersect the graph at more than one point
∴ The function is not one-to-one function
# The black graph of the function ⇒4th graph
- In this graph if we draw a horizontal line at any value of y it will
intersect the graph at more than one point
∴ The function is not one-to-one function
* The answers are 1st , 2nd and 4th functions
