Prove the statement using the ε, δ definition of a limit. lim x--a x=a

Question

Prove the statement using the ε, δ definition of a limit.
 
lim x-->a  x=a

Andy C. · Accepted Answer

Let delta = epsilon>0.
 
Then when  a-delta <= x <= a + delta
 
A-epsilon <= x =f(x)<= a + epsilon
 
End of proof

Prove the statement using the ε, δ definition of a limit. lim x-->a x=a