Question2. (a) Find the $x$-coordinate of the stationary point on the curve with the equation $y=18 x-4 \sqrt{x^{3}}$ (b) Hence, determine the greatest and least values of $y$ in the interval

Studdy Solution
To determine the greatest and least values of $y$ in the interval, we need the interval endpoints. However, the interval is not provided in the problem statement. Assuming we have an interval $[a, b]$, evaluate $y$ at $x = a$, $x = b$, and $x = 9$.
Since the interval is not specified, we cannot complete this step without additional information.
The $x$-coordinate of the stationary point is $x = 9$, and the value of $y$ at this point is $y = 54$. The greatest and least values of $y$ in the interval cannot be determined without the interval endpoints.