Question

which of the following represents a function?
x=y^2
x^2 + y^2 =49
x=[[y]]
y=absolute x

Answer 1

help please n_n urgent

Answer 2

a function represents y as a function of x
which answer choice demonstrates that?

Answer 3

x=[[y]]

Answer 4

the rest have more than one intersection

Answer 5

hint- a function starts with a y=
for example: y=x, y=x^2,y=sqrt x

Answer 6

mmmhhh is my reasoning wrong

Answer 7

ohhhh the absolute one !! @acxbox22

Answer 8

@phi would this be correct ?

Answer 9

really wow i thought it would be the line thank you @acxbox22

Answer 10

It depends on what you call the independent variable.

\(x=y^2\) is a function of \(x\) in terms of \(y\), as well as \(x=[[y]]\).

Answer 11

generally the independent variable is x