Question 26
Find the largest positive value attained by the function $$
\begin{aligned} f(x)&=\sqrt{8x-x^2}\\ &\quad-\sqrt{14x-x^2-48}, \end{aligned}
$$ $x$ a real number.
\begin{aligned} f(x)&=\sqrt{8x-x^2}\\ &\quad-\sqrt{14x-x^2-48}, \end{aligned}
$$ $x$ a real number.