Question

View, please help! Thank you.

Answer 1

- 6

Explanation:

Rate of change over the interval 1 ≤ x ≤3 is given by

`(f(3) - f(1))/(3-1) \\\\= (66- 78)/(2)\\ \\= (-12)/(2)\\\\= -6`

We can see from the table that the function value drops by 6 for every 1 unit increase in x