Need help !!! Which figures demonstrate a reflection ? Select each correct answer.
2 answers:
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Answer:
Domain of the function f(x) = cos x : ( - infinity , + infinity)
Step-by-step explanation:
Let the given function f(x) = cos x
We need to find the domain set of the given function f(x) = cos x
Domain is the set of all possible value of x for which the function f(x) is defined.
Now, as the given function f(x) is defined for all the real values of x.
Domain of the function f(x) = cos x : ( - infinity , + infinity)
Hence, Domain : ( -∞ , +∞ )
Also, the graph of the given function f(x) = cos x is attached below :
Now, form the graph also we can see the graph of given function f(x) = cos x can attain all the real values starting from -infinity to +infinity
