Relations and Functions

Relations and Functions

Question

Mark the following subsets of set R or real numbers, on the number line :

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space left parenthesis straight a right parenthesis space space left curly bracket straight x space colon space straight x space element of space straight R comma space minus 4 space less or equal than space straight x space less or equal than space 2 right curly bracket space space space space space left parenthesis straight b right parenthesis space left curly bracket straight x space colon space straight x space element of space straight R comma space minus 4 space less than space straight x space less or equal than space 0 right curly bracket space space space space left parenthesis straight c right parenthesis space left curly bracket straight x space colon space straight x colon space element of space straight R comma space 2 space less or equal than space straight x space less than space 6 right curly bracket

space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space left parenthesis straight d right parenthesis space space left curly bracket straight x space colon space straight x space element of space straight R comma space 4 space less than space straight x space less than space 7 right curly bracket

Answer

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