Answer:

Step-by-step explanation:
Given the function 
The average rate of change of the function h(x) over the interval
can be calculated using formula

In your case,

so the average rate of change is

2.5 grams of salt and 1000mg of sodium is equal to shalf a teaspoon of salt
:)
For all of the questions or only one-?
Answer:
Step-by-step explanation:
I think x=-2