Question

Найдите значение функции

Answer 1

$1) y = |x^2 - 1| \\ x = 1 \\ y = |1^2 - 1| = |1 - 1| = |0| = 0 \\ \\2) y = |x^2 - 1| \\ x = -\frac 1 2 \\ y = |\frac 1 4 - 1| = |- \frac 3 4| = \frac 3 4$