The CDC AZ Index is a navigational and informational tool that makes the CDCgov website easier to use It helps you quickly find and retrieve specific informationσ= E(εT ε)o a o = E(ε εb – ε) = Eu(,x – yβ,x – ε)o ∴ F = σdA F = Eu(,x – yβ,x – ε)o dA F = u,x EA d β,x yE A d εoEAd M = yσdA M = yE u(,x – yβ,x – ε)o dA M = u,x yE A β,x y d 2 EA d yε d oEA X$ yE A d = 0 % F = u,x EA d εoEAd M = β,x y d yεoEA 2 EA dThis means that x ∈ O x for some open set Ox with Ox ⊆ A ∩ B But this means that Ox ⊆ A and Ox ⊆ B, so that x ∈ A and x ∈ B Thus x ∈ A ∩B For the other containment, suppose x ∈ A ∩ B Then we have x ∈ Ox ⊆ A and x ∈ Px ⊆ B for some open sets Ox and Px Then Qx = Ox ∩ Px is an open set containing x and contained Linearization Calculator X y z o a t