Answer
(a) linear, $f(x)=ax+b$
(b) line
Work Step by Step
Let $f$ be a function with constant rate of change. Then
(a) $f$ is a ___linear___ function of the form ___$f(x)=ax+b$___
(b) The graph of $f$ is a ___line___.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.