What is the domain and range of $f(x)=2x+4$ ?

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What is the domain and range of $f(x)=2x+4$ ?

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Answer 1 · 2015-09-23T18:26:02

I found:
Domain: all real $x$ ;
Range: all real $y$ .

Explanation:

Your function is a Linear Function represented graphically by a straight line passing through $x=0, y=4$ and with slope equal to $2$ .
It can accept all real $x$ and produces, as output, all real $y$ .
graph{2x+4 [-10, 10, -5, 5]}

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What is the domain and range of $f(x)=2x+4$ ?

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What is the domain and range of $f(x)=2x+4$ ?