Question

Mee Ajudem
Se A= x (elevado a 2) +1/5, qual o valor a, quando x=2/5

Answer 1

A = x² + 1/5
A = (2/5)² + 1/5
A = 4/25 + 1/5
A = 4/25 + 5/25
A = 9/25 <<<<<<<<<<<