Example 1
Is the following relation a function? If not, why?
{(Juan, escuela), (Mariposa, escuela), (Fernando, casa), (Maria, tienda)}
Example 2
Is the following relation a function? If not, why?
{(Juan, escuela), (Mariposa, escuela), (Juan, casa), (Maria, tienda)}
Example 3
Is the following relation a function? If not, why?
{(1, 1), (1, 2), (1, 3)}
Example 4
Is the following relation a function? If not, why?
{(1, 1), (1, 1), (2, 3)}
Example 5
Is the following relation a function? If not, why?
y = 3x2 + 4
Example 6
Is the following relation a function? If not, why?
x = |y|
Example 7
Is the following relation a function? If not, why?
x = y2 where y is positive.
Example 8
Is the following relation a function? If not, why?
x2 = y2