Concept explainers
Find the total cost of labor for a repair in
Answer to Problem 29CCSR
Total cost of labor for a repair in
Explanation of Solution
Given:
The graph below shows the
The graph:
Concept Used:
Mathematically speaking, a step function is a function whose graph looks like a series of steps because it consists of a series of horizontal line segments with jumps in-between. For this reason, it is also sometimes called a staircase function.
A step function has constant value on given intervals, but the constant is different for each interval. The constant value on each interval creates the series of horizontal lines, and the fact that the constant is different for each interval creates the jumps in between each horizontal line segment. This is why the graph of a step function looks like a set of stairs.
For example, the piecewise function given by
This function is defined by two equations.
One equation gives the values of
Calculation:
Total cost of 1 hour = $50 Total cost of 2 hour = $85 Total cost of 3 hour = $120 Total cost of Total cost of labor in |
Thus, total cost of labor for a repair in
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High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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