a) for x = 0
y = (2/3) x 0 + 4
y = 0 + 4
y = 4
b) x = 3
y = (2/3) x 3 + 4
y = 6/3 + 4
y = 2 + 4
y = 6
c) x = 9
y = (2/3) x 9 + 4
y = 18/3 + 4
y = 6 + 4
y = 10
d) x = -9
y = (2/3) x (-9) + 4
y = -18/3 + 4
y = - 6 + 4
y = -2
e) x = 10
y = (2/3) x 10 + 4
y = 20/3 + 4
y = 32/3
f) x = 1/2
[tex]\begin{gathered} y\text{ = }\frac{2}{3}\text{ x }\frac{1}{2}\text{ + 4} \\ y\text{ = }\frac{1}{3}\text{ + 4} \\ y\text{ = }\frac{1\text{ + 12}}{3} \\ y\text{ = }\frac{13}{3} \end{gathered}[/tex]