2. Which of the following can u-substitution NOT be used? a. Jyz In (dx b. fxIn x dx c. f-dx X 1 d. J. - dx x In x 3. Which of the following is true: a. If f (x) is differentiable it's continuous. b. If the lim f (x) = L then f(a) = L. x -a c. If f (x) is continuous it's differentiable. d. If f(a) = L then lim f (x) = L. x-a 4. Which of the following is an indeterminate form? a. 00 + 00 b. 1 00 C. 00 - OO d. -00 . 00 5. Which of the following is NOT a valid rule of integration? a. SIf(x) + g(x)]dx = Sf(x)dx + S g(x)dx b. S[f(x) - g(x)]dx = Sf(x)dx - S g(x)dx c. Scf(x)dx = cf f(x)dx d. Sf(x)g(x)dx = Sf(x)dx ] g(x)dx e. Suf(x)dx = 0