cost or input
Chat with our AI personalities
the relation between math anxiety and excited intelligence
Good question. A relation is simply that; any x-value to create any y-value. A function, however, cannot be defined for multiple values of x. In other words, for a relation to be a function, it must have singular values for all x within its domain.
function rule
A function is a relation whose mapping is a bijection.
The sample regression function is a statistical approximation to the population regression function.