24 Questions
What is a characteristic of a constant ratio relationship?
The graph becomes steeper at an increasing rate.
What type of relationship is represented by a graph with a flat portion and an increasing portion?
Combination of relationships
What is an example of a constant ratio relationship?
Monthly cost of food purchases in a household
What is represented by the flat portion of a graph in a cell phone contract?
Fixed monthly subscription fee
What is an example of a step-function relationship?
Parking fees at a supermarket
What is characteristic of a step-function relationship?
The graph looks like a series of steps.
What is represented by the increasing portion of a graph in a cell phone contract?
Additional charges for call minutes
What type of relationship does a graph with a series of steps represent?
Step-function relationship
When a value is increased by a factor and then the new increased value is again increased by the same factor, what type of relationship is represented?
Constant ratio relationship
What is the shape of the graph of a constant ratio relationship?
A curved line that becomes steeper at an increasing rate
What is an example of a situation where a combination of relationships might be used?
A cell phone contract
What is the difference between a flat portion and an increasing portion of a graph?
The flat portion is where the value stays the same, and the increasing portion is where it increases
What type of relationship is represented by a graph with a series of steps?
Step-function relationship
What determines the fee charged in a step-function relationship?
The time interval
What is the significance of the base value in a constant ratio relationship?
It is the previous value that is used to calculate the new value
What is the main difference between a constant ratio relationship and a linear relationship?
A constant ratio relationship is not linear, while a linear relationship is
What is the primary characteristic of a constant ratio relationship in a graph?
The graph becomes steeper at an increasing rate
What is the main difference between a constant ratio relationship and a combination of relationships?
The number of portions in the graph
In a step-function relationship, what determines the fee charged for a given time interval?
The same fee applies regardless of the exact value within the interval
What is the significance of the base value in a constant ratio relationship?
It is the starting point for the increase
What is the purpose of a combination of relationships in a graph?
To represent different types of increases in a single context
What is the primary difference between a flat portion and an increasing portion of a graph?
The type of increase in the value
What is the characteristic of a graph that represents a combination of relationships?
Multiple portions with different types of increases
What is the purpose of a step-function relationship in a graph?
To represent different fees or values for different time intervals
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