[tex] \frac{35 - 3}{20 - 4} = \\ [/tex]
[tex] \frac{32}{16} = \\ [/tex]
[tex]2[/tex]
d = 2
__________________________________
t(4) = t(1) + 3d
3 = t(1) + 3×2
3 = t(1) + 6
t(1) = 3 - 6
t(1) = - 3
__________________________________
t(n) = t(1) + (n-1)(d)
t(32) = - 3 + 31×2
t(32) = -3 + 62
t(32) = 59
