Question

Does the equation below represent a relation, a function, both a relation and a function, or neither a relation nor a function?y = 3.r2 - 9x + 20O A.neither a relation nor a functionOB.both a relation and a functionOC.function onlyOD.relation only

Answer 1

A function involves inputs, x and outputs, y. Looking at the given expression, We can get values for diiferent y if we substitute values for x. Thus, it is a function. Also, every function is a relation. Thus, it is also a relation. Therefore, the correct option is B