Question

Please help i dont get it... (average rate of change)

10.
The graph shows the price, in dollars, of a new digital toy for different levels of supply.
(image provided)

What is the average rate of change?

Answer 1

-3

Explanation:

Formula for average rate of change :

• A(x) = f(a) - f(b) / a - b

Solving :

• A(x) = 115 - 85 / 5 - 15
• A(x) = 30/-10
• A(x) = -3