Question

Calcule os zeros das funções:
a) f(x)= x+3

b) y= -2x+4

Answer 1

Resposta:

f(x) = x + 3 = 0 (=) f(x) = x = -3

y = -2x+4 = 0 (=) y = -2x = -4 (=) y = x = -4/-2 = 4/2 = 2.