f(x) = x² - 1 Domain f = {x | -3« x « 4, x € bilangan bulat}, daerah hasil f = .. ???

f(x) = x² - 1
Df = {-3, -2, -1, 0, 1, 2, 3, 4}

f(-3) = -3² - 1=8
f(-2) = -2² - 1=3
f(-1) = -1² - 1=0
f(0) = 0² - 1=-1
f(1) = 1² - 1=0
f(2) = 2² - 1=3
f(3) = 3² - 1=8
f(4) = 4² - 1=15

maaf kalau salh