Роздiл 4. Функцii » 640

Накреслiть у зошитi й заповнiть таблицю 24, якщо у(х) = –Зх2 + 2х – 1. x –2 –1 0 1 2 y(x) –17 –6 –1 –2 –9 y(–2) = –3 • (–2)2 + 2 • (–2) – 1 = – 12 – 4 – 1 = –17; у(–1) = –3 • (–1)2 + 2 • (–1) – 1 = –3 – 2 – 1 = – 6; y(0) = –3 • 02 + 2 • 0 – 1 = –1; y(1) = –3 • 12 + 2 • 1 – 1 = –3 + 2 – 1 = –2; у(2) = –3 • 22 + 2 • 2 – 1 = –12 + 4 – 1 = –9.