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Mathematics 7 Online
OpenStudy (gavnasty2001):

What is the domain of the function f(x) = 2x + 5? all real numbers except 2 all real numbers all real numbers except 5 all positive real numbers

OpenStudy (notshh):

The domain is all the x values in a function Have you tried graphing it out to visualize it a bit better?

OpenStudy (amruta1202):

The eqn y= 2x+5 is a straight line which exists for all real x i.e. All real nos. come in its domain

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