Calculate Average Rate of Change in Income with Linear Functions

Math Problem Statement

An individual’s income varies with age. The following data shows the average income of individuals of different ages: (a) Plot the ordered pairs (x, y) on a graph for ages 30, 40, 50, and 60. (b) Compute the average rate of change in income between 30 and 40 years of age.

Solution

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Math Problem Analysis

Mathematical Concepts

Linear Functions
Rate of Change
Graphing Ordered Pairs

Formulas

Average Rate of Change = (y2 - y1) / (x2 - x1)

Theorems

Slope formula for linear functions

Suitable Grade Level

Grades 8-10

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