Question

Which of these is the quadratic function?

A. f(x)=|x|
B f(x)=x
cf(x)=x^2
d f(x) =2^x

Answer 1

Explanation:

The quadratic function should be C option f(x) = x^2.

A quadratic function is defined as the degree of a polynomial is 2 . C option satisfies this condition.