Since x=1 produces y=3 and y=20, the relation (1,3),(1,20),(9,4) is not a function.
The relation is not a function.
Given:
a + bi = 13 + 9i
Equate the real parts:
a = 13
Equate the imaginary parts:
b = 9
Answer:
a =13
b = 9
Answer:
The number is 13
Step-by-step explanation:
the equation:

The solution.


Hope this helps
Using it's concepts, the domain and the range of the graph are given as follows:
- Domain: all real values except x = -1.
<h3>What are the domain and the range of a function?</h3>
- The domain of a function is the set that contains all the values of the input. In a graph, it is given by the values of x, which is the horizontal axis of the graph.
- The range of a function is the set that contains all the values of the output. In a graph, it is given by the values of y, which is the vertical axis of the graph.
In this graph, have that the function is defined for all values of x except x = -1, and assumes all real values, hence the domain and the range of the graph are given as follows:
- Domain: all real values except x = -1.
More can be learned about the domain and the range of a function at brainly.com/question/10891721
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Answer: -57
Hope it’s helps