14.2k views
4 votes
The point (4, -2) lies on the graph of f(x) = sqrt of x

True
False

User Boaz Hoch
by
7.9k points

2 Answers

2 votes
The answer is false, hope that helps
User Rayan Bouajram
by
8.8k points
2 votes

False, this would imply that


√(4)=-2

but we have


√(4)=2

In general, the range of the square root function is the set of positive integers, so you can never have a negative y coordinate on the graph of
y=√(x)

User Azquelt
by
8.6k points

No related questions found