Question

What defines a linear function?


Select an answer

A.
It is a function that graphs as a curve.


B.
It is a function that graphs as a straight line.


C.
It can only have one variable.


D.
It has no slope.

Answer 1

B. It is a function that graphs as a straight line (typically written f(x) = mx + b, where m is the slope and b the y-intercept).