First, you need to substitute the value of x in all of the x spots.
2x+3
2(3)+3. Us PEMDAS to solve the problem.
6+3
9
Using it's concept, the domain of the function shown in the graph is:
B.
.
<h3>What is the domain of a function?</h3>
The domain of a function is the set that contains all possible input values for the function. In a graph, the domain is the set that contains all values of x.
From this graph, the function is defined for values of x between -6 and 6, hence the domain is given by:
B.
.
More can be learned about the domain of a function at brainly.com/question/10891721
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Answer:
i think it is 12 positive
Step-by-step explanation:
i think
Answer:

Step-by-step explanation:
cos O = adjacent / hypotenuse
cos O = 12/13
I hope I helped you^_^