Question

Sabendo f(x)=2x +3 determinar o valor de f(2). Marque a resposta correta. a. 5 b. 7 c. 10 d. 12 e. 14

Answer 1

$f(x)=2x +3\\f(2)= 2 \cdot 2 + 3\\f(2) = 4 + 3\\\boxed{f(2) = 7}$