Odpowiedzi

2010-04-07T19:40:59+02:00
P = (-1, 4)
f(x) = -3x + 2
a = -3
f(x) = ax + b
4 = -3 * (-1) + b
4 = 3 + b
3 + b = 4
b = 4 - 3
b = 1
f(x) = -3x + 1