Помогите плиз!!! #3.79

Question

Помогите плиз!!! #3.79

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Answer 1

Y = kx + b
// y = 2x - 3
1) A (1; 2.)
k = 2
x = 1
y = 2
2 = 2 • 1 + b
2 = 2 + b
b = o
y = 2x