It's an expression that consists of variables and coefficients that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.
example:
x2 − 4x + 7
Answer:
<u>Average</u><u> </u><u>rate</u><u> </u><u>of</u><u> </u><u>change</u><u> </u><u>is</u><u> </u><u>-</u><u> </u><u>1</u><u>/</u><u>6</u><u> </u><u>or</u><u> </u><u>-</u><u>0</u><u>.</u><u>1</u><u>6</u><u>6</u><u>…</u>
Step-by-step explanation:

f(-1):

f(3):

Average rate of change:


3,162 x 10 = 31,620, you just add one zero
It is a vertical change.
Hope this helped.