document.write( "Question 990982: Let D (domain)= [1,2] and f be a correpsondence from D to ℝ that assigns the value 1 if x≤3/2 and the value 2 if x ≥ 4/3. Is f a function? \n" ); document.write( "

Algebra.Com's Answer #610916 by jim_thompson5910(35256) $\"\"$ $\"About$

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Yes this is a function because any given input is assigned EXACTLY ONE output. With this definition, it is impossible to have a certain input generate more than one output. Notice how the inequalities x≤3/2 and x ≥ 4/3 do not overlap. \n" ); document.write( "

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