Domain and Range - Concept

Concept Concept (1)

An important part of understanding functions is understanding their domain and range. Domain and range are all the possible x-values and y-values of the function, and can often be described easily by looking at a graph. In order to grasp domain and range, students must understand how to determine if a relation is a function and interpreting graphs.

Sample Sample Problems (5)

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Domain and Range - Problem 1

y = x + 4

Domain:
Range:
Problem 1
How to find the domain and range of a linear function.
Domain and Range - Problem 2

y = √3x − 4

Domain:
Problem 2
How to find the domain of a radical function.
Domain and Range - Problem 3

y = x
x + 3

Domain:
Problem 3
How to find the domain of a rational function.
Domain and Range - Problem 4
Problem 4
Common domain and range restrictions from equations including rational, radical, and exponential functions.
Domain and Range - Problem 5
Problem 5
Finding domain and range from graphs, including graphs with discontinuities like holes.
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