Problem :
Decide whether the graph below is a function.
Yes.
Problem :
Decide whether the graph below is a function.
No.
Problem :
Decide whether the graph below is a function.
No
Problem :
What is the domain and range of the function f (x) = ?
Domain
D: positive real numbers, range
R: positive real numbers.
Problem :
What is the domain and range of the function f (x) = ?
Domain
D: real numbers
≠2. Range
R: real numbers.
Problem :
Is the following a function: y = ±x?
No.
Problem :
Is the following a function: y = | x|?
Yes.