Question

y=(u-2)³ and u=1/2x=1

Answer 1

$y=(u-2)^3$

$u=\frac{1}{2}x-1$

$y=(\frac{1}{2}x-1-2)^3$

$y=(\frac{1}{2}x-3)^3$

But x=1

$y=(\frac{1}{2}-3)^3$

$y=-\frac{125}{8}$