Question

Which table represents a quadratic function?Xf(x)f(x)f(x)-54f(x)0.5-10I2TIY-7-2-6-102-710A.It is not a function B.It is a many-to-one function C.It is a One-to-one Function D.It is a function, but it is not one-to-one

Answer 1

we have that

In this problem

To each value of x correspond only one value of y

so

the answer is the option C

(its a one to one function)