Question

se f (x) = x² -20x + 33 então quanto vale f (0)?

Answer 1

f(0) = 0^2 - 20*0 +33 
f(0) = 33

Answer 2

f(x) = x² - 20x + 33
f(0) = 0² - 20.0 + 33
f(0) = 0 - 0 + 33
f(0) = 33