Question

Sabendo que f(x)=4x+9. Calcule o valor de f(1)

Answer 1

Explicação passo-a-passo:

$= 4x + 9 \\ = 4(1) + 9 \\ = 4 + 9 \\ = 13..$

Answer 2

$\large\boxed{\begin{array}{l} \rm \: f(x) = 4x + 9 \\ \rm \: f(1) = 4.(1) + 9 \\ \rm \: f(1) = 4 + 9 \\ \boxed{\rm f(1) = 13}\end{array}}$