Answer:
Domain = Range = All real numbers
Step-by-step explanation:
To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.
Please see the attached image below, to find more information about the graph
The equation is:
f(x)=2x+cos x
From the plot, we can see the answer is
Option a.
Domain = Range = (-∞,∞)
0.57, 5.07, 7.5, 7.05 I believe that this is correct if not plz correct me
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