유한 수학 예제

$f (x) = - 3 x^{2} + 5 x + 2$

단계 1

The word linear is used for a straight line. A linear function is a function of a straight line, which means that the degree of a linear function must be $0$ or $1$ . In this case, The degree of $f (x) = - 3 x^{2} + 5 x + 2$ is $2$ , which makes the function a nonlinear function.

$f (x) = - 3 x^{2} + 5 x + 2$ is not a linear function