График линейной функции y=kx+b.
b-точка пересечения с 0у. b=-1
Наш график: у=kx-1
Точка (1;1) принадлежит графику⇒1=k*1-1⇒k=2
Искомое уравнение: y=2x-1
367.2 рубля- 102%
х рублей -100%
х=367.2:102*100=360 рублей
<span>2x+4+x^2+2x = x</span>² + 4x + 4 = (x + 2)² = (x + 2)(x + 2)
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