How do you graph #y=sqrt(x-1)#?

1 Answer
Mar 29, 2017

I used a spreadsheet.

Explanation:

You can also calculate it manually and plot the data point sets on a graph paper. The important thing to note about this type of expression is that it cannot have an answer for values of x less than one, because unless you are using imaginary numbers you cannot have a square root of a negative number.
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