Question

A group of botanists observe four types of plants for one week.

Is each situation linear?

Select Yes or No for each statement.
Statement
Plant #1 grows 8 mm per day.
Plant #2 doubles its height each day.
Plant #3 triples its height each day.
Plant #4 is 1.25 times taller each day.

Answer 1

They are all linear.  Because they all increase steadily each day.