How to graph f(x) = square root of 2x-4 ??

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How to graph f(x) = square root of 2x-4 ??

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Answer 1 · 2018-04-17T01:20:24

It depend whether you are asking if $f (x) = \sqrt{2 x - 4} or \sqrt{2} x - 4$ $f(x) = sqrt (2x-4) or sqrt 2x-4$
In either case you would start off with the same steps..

Explanation:

Start by stating where $x$ $x$ is defined...
In the equation $f (x) = \sqrt{2 x - 4}$ $f(x) = sqrt (2x-4$ , the domain of the function would be $[2, \infty)$ $[2, oo)$
So you can start the equation at x=2 and get the point (2,0)
Then from there I would suggest pick two more $x$ $x$ values, and plug them into the equation $f (x) = \sqrt{2 x - 4}$ $f(x) = sqrt (2x-4$ two get two more points such as $(2.5, 1) and (4, 2)$ $(2.5,1) and (4,2)$
Plot these three points on a graph and then continue the line leftward. The graph then should resemble this one below graph{sqrt (2x-4 [-10, 10, -5, 5]}
I hope this helped....

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How to graph f(x) = square root of 2x-4 ??

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