SOLUTION: explain why the graphs of y=x and y=(root x)^2 are not the same
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Question 212385This question is from textbook precalculus
: explain why the graphs of y=x and y=(root x)^2 are not the same
This question is from textbook precalculus
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let's say that 'x' can be negative. So let's plug in
The first equation is simply (after plugging in ) which is a real number; however, the second equation does not produce a real number. So the two are not equal when . They are not equal when .
If we said that , then would be true.
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