Respuesta :
Use the substitution method
y=3^2+1
3(4)^2+1
Do the bracket first
3(4)(4)+1
3(16)+1
Multiply again
48+1
=49
Answer: 49
Use the substitution method
y=3^2+1
3(4)^2+1
Do the bracket first
3(4)(4)+1
3(16)+1
Multiply again
48+1
=49
Answer: 49