Роздiл 4. Функцii » 648
Складіть із кроком 1 таблицю значень функції, заданої формулою у = 3(1 – х2), –3 ≤ x ≤ 4. x –3 –2 –1 0 1 2 3 4 y(x) –24 –9 0 3 0 –9 –24 –45 y(–3) = 3 (1 – (–3)2) – 3 • (1 – 9) – 3 • (–8) = –24; y(–2) = 3 (1 – (–2)2) = 3 • (1 – 4) = 3 • (–3) = –9; y(–1) – 3 (1 – (–1)2) = 3 • (1 – 1) = 0; y(0) = 3 • (1 – 0) = 3; y(1) = 3 • (1 – 12) = 0; у(2) = 3 • (1 – 22) = 3 • (1 – 4) = 3 • (–3) = –9; y(3) = 3 • (1 – З2) = 3 (1 – 8) = 3 • (– 8) = –24; y(4) = 3 • (1 – 42) = 3 • (1 – 16) = 3 • (–15) = –45.