Answer :
General Formulas and Concepts
Algebra I
Domain
- The set of x-values that can be inputted into function f(x)
Range
- The set of y-values that are outputted by function f(x)
Interval Notation
Application
Step 1: Define
Let's organize what is given to us from the problem.
We are given a graph of a function.
Step 2: Solve
We need to analyze the graph to determine the domain and range of the graph.
If we take a look at our x values, we see that our graph starts at x = 3 and continues infinitely.
∴ we can write the graph's x-values as [3, ∞), or x ≥ 3.
⇒ The domain of the graph is equal to x ≥ 3.
If we take a look at our y values, we see that our graph begins at y = 1 and also continues infinitely.
∴ we can write the graph's y-values as [1, ∞), or y ≥ 1.
⇒ The range of the graph is equal to y ≥ 1.
Answer
∴ the answer to the question is equal to:
A. D: x ≥ 3
R: y ≥ 1
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Topic: Algebra I
Unit: Functions
