I'm stuck on this particular problem. It's given me headaches just staring at it. Can anyone help me with this? Question is:

To 2 decimal places, find the value of $\displaystyle \Delta\;y$ anddyfor the given values of $\displaystyle \Delta\;x$ anddx.

$\displaystyle y = 2(x^2 - 3x)^2$

$\displaystyle x = 4$

$\displaystyle \Delta\;x = 0.1$