y = ax + b
y = mx + 3
P = (-1, 4)
x = -1
y = 4
podstawiamy wartości do wzoru funkcji:
4 = m * (-1) + 3
-m = 4 - 3
-m = 1 / * (-1)
m = -1
y = -x + 3
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y = ax + b
y = mx + 3
P = (-1, 4)
x = -1
y = 4
podstawiamy wartości do wzoru funkcji:
y = mx + 3
4 = m * (-1) + 3
-m = 4 - 3
-m = 1 / * (-1)
m = -1
y = -x + 3