Respuesta :
hello :
A) it is an even function because for all x in R :
f(-x) = 2(-x)²+1
= 2x²+1
f(-x) = f(x)
A) it is an even function because for all x in R :
f(-x) = 2(-x)²+1
= 2x²+1
f(-x) = f(x)
Answer: It’s A, even, I just took the test and it says it’s correct
Step-by-step explanation: