Desmos Graphing Calculator

CalcReferenceCopy

Math·Advanced Math·Nonlinear functions

medium

$$f(x)=x^2-4x-780$$

The function $f$ is defined by the given equation. Which of the following equivalent forms of the equation displays the minimum value of the function as a constant or coefficient?

A

$f(x)=(x-30)(x+26)$

B

$f(x)=(x-2{)}^2-784$

C

$f(x)=x(x-4)-780$

D

$f(x)=(x+30)(x-26)$