
Concept explainers
Write an equation for the relation shown in the table.

Answer to Problem 2ACYP
Explanation of Solution
Given:
The table and the graph:
The ordered pair:
Concept Used:
So the rate of change is:
Rate of change:
Calculation:
Look for the pattern that can be described in an equation.
The difference between the values of x − coordinates is + 1. The difference y − coordinates is
This suggests that the k − value is
Rate of change is − 1
Equation:
The required equation is
Thus, the required equation is
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