Question

Fill in the blank: linear functions grow by equal ____________ over equal intervals.

A. expressions
B. variables
C. factors
D. differences

Answer 1

D. Differences

Explanation:

Linear function grow by equal differences over equal intervals as, on a graph, it is shown by a steady increasing line. Exponential functions, on the other hand, do not.

Answer 2

D. differences

Explanation:

One way to identify a linear function is by checking the differences over equal intervals. If they are the same, then the function is linear.