A) \[\{0\}\]
B) \[\left[ 0,\infty \right)\]
C) \[(-\infty ,\infty )\]
D) \[(-\infty ,0)\]
Correct Answer: A
Solution :
[a] \[D(f+g)=D(f)\cap D(g)\] \[=(-\infty ,0]\cap [0,\infty )=\{0\}\]You need to login to perform this action.
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