Question

Qual a raiz da função : f(x) = -2x + 10? *
10 pontos
(A) x = - 5
(B) x = + 4
(C) x = - 4
(D) x = + 5​

Answer 1

f(x) = -2x + 10

0 = -2x + 10

2x = 10

x = 10/2

x = 5 ==> (D) x = + 5