Zad.1 Funkcja f jest określona wzorem f(x) = 4x² - 2√5. Wtedy
A. f (½) = 2 - 2√5
B. f (- ½) = 2 - 2√5
C. f (½) < 0
D. f (- ½) > 0
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
f(½)=f(-½) bo liczba x podniesiona do kwadratu wynosi tyle samo co liczba (-x) podniesiona do kwadratu
f(½)= 4*(½)²-2√5
f(½)= 4*¼-2√5
f(½)= 1-2√5
f(½)<0