Which of the following is a linear function

The second one is a linear function. It is constant and has the parent function of
[tex]f(x) = x[/tex]
The graph that represents a linear function is Graph B.
A linear function is a function that follows a straight line equation, y=mx+c.
The graphs can be seen in the image.
The only function that is following the linear function is Option B, as it is a straight line and its equation can be written in the form of y = mx +c.
To know more about Linear Function
https://brainly.com/question/21107621
#SPJ2