(MORE THAN ONE)

Select all of the following functions that have a range of y ≥ 0.

absolute value
squaring
identity
cubing
square root

Question

(MORE THAN ONE) 

Select all of the following functions that have a range of y ≥ 0.

absolute value
squaring
identity
cubing
square root

anonymous · Answer

squaring, because all squares are positive.

anonymous · Answer

there can be more than one

anonymous · Answer

Oops sorry: squaring and absolute value

anonymous · Answer

is that it

anonymous · Answer

Yes, I think so.

lynfran · Answer

squaring, absolute value

anonymous · Answer

Those are the only 2 that only have a positive range...

lynfran · Answer

no square root usually have + or -

anonymous · Answer

No, square root is not one of the answers.

anonymous · Answer

For example, the square root of 9 could be negative 3.

vocaloid · Answer

I'm aware of that, but|dw:1435346349006:dw|

vocaloid · Answer

when we graph y = sqrt(x) we only consider non-negative y values

anonymous · Answer

square root is one of them.

vocaloid · Answer

^ right, this is actually a bit confusing at first

when we take the square root of a number, we consider the positive and negative square roots

but as a function, sqrt(x) only gives positive values