Which one of the following equations defines y as a function of x ?
1- y=|x|+4
2- y^2=36
3- all the answers are true
4- y = ± √x
1 answer
y is a function if every value of x determines a single value of y.
1- y=|x|+4
2- y^2=36
3- all the answers are true
4- y = ± √x
1 answer