CPM Homework Help : PC Problem 8-27

Steps (a):

x₄ = 4(30) − 10

x₅ = 4(4(30) − 10) − 10

Steps (b):

y₂ = 0² − 4
y₃ = (0² − 4)² − 4
y₄ = ?
y₅ = ?

Steps (c):

$z_2=\frac{1}{4}$

$z_3=\frac{1}{\frac{1}{4}}$

Step (d):

w₃ = w₂ · w₁ = 3 · 5