Find the average rate of change illustrated in the graph.
-An investment is worth $3578 in year 0, the initial investment year. By year 4 its value has increased to $4262. Let y be the value of the investment in the year x. Find and interpret the
Average rate of change in value per year.
A) $3578 per year; the value of the investment increases by $3578 per year during these years.
B) $171 per year; the value of the investment increases by $171 per year during these years.
C) $4946 per year; the value of the investment increases by $4946 per year during these years.
D) -$171 per year; the value of the investment decreases by $171 per year during these years.

Question

Quizplus · Accepted Answer

The average rate of change is calculated by taking the difference in value over the difference in time. Here, it is ($4262 - $3578) / (4 - 0) = $684 / 4 = $171 per year. This means the value of the investment increases by $171 per year during these years.

Find the Average Rate of Change Illustrated in the Graph