jika f(x)= f(x-1)+¼ dan f(1)=4 maka f(201)=

f(1) = f(1-1)+¼
4 = f(0) + ¼
f(0) = 3¾
f(1) = 4

Misal : f(x) = ax+b
f(0) = a.0+b
3¾ = b

f(x) = ax + 3¾
f(1) = a +3¾
4 = a + 3¾
a = ¼

f(x) = ¼x + 3¾
f(201) = ¼.201 + 3¾
= 201/4 + 15/4
= 216/4
= 54