To find: the maximum bill and minimum bill if Dale use at least
Answer to Problem 25PPS
Dale’s maximum bill is
Explanation of Solution
Given:
Dale has a maximum of
Day time minute cost
Concept used:
Graphing the inequalities, it will graph the ordinary linear functions just like it is done before. The difference is that a solution to the inequality is not the drawn line but the area of the coordinate plane that satisfy the inequality.
The boundary line is dashed for
The difference is that a solution to the inequality is not the drawn line but area of the coordinate plane that satisfy the inequality.
The common area is the solution of inequality.
Calculation:
Consider
Solve the inequalities as shown below.
Graph the three inequalities and make the point of intersection as shown below.
The region
Take the coordinates
Take the coordinates
Take the coordinates
Hence, Dale’s maximum bill is
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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