If y = (4 - x)^2, what is the smallest possible value of y?

Aug 12th 2009, 03:02 PM

pickslides

Quote:

Originally Posted by sharkman

If y = (4 - x)^2, what is the smallest possible value of y?

The function $\displaystyle y = (4 - x)^2$ is simply $\displaystyle y=x^2$ moved horizontally and reflected. Therefore it will have the same min value for for y that $\displaystyle y=x^2$ has.