Question

resposta dada a funcao f: r definida por f(x) = x2 - 1 calcule f(-1), f(0), f(√2)

Answer 1

f(x) = x² - 1

f(-1) = (-1)² - 1
f(-1) = 1 - 1
f(-1) = 0

f(0) = 0² - 1
f(0) = -1

f(√2) = (√2)² - 1
f(√2) = 2 - 1
f(√2) = 1