How do you find the domain and range for $y = 2x + 3$ ?

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Answer 1 · 2018-04-28T19:44:41

See below explanation

Dom y is $RR$ because whichever number $x$ you put in the function expresion gives a real number

The range or image of functon is also $RR$ because is a straight line that runs all $RR$

How do you find the domain and range for y = 2x + 3y = 2x + 3?