If f is differentiable at x = b, is this condition necessary. sufficient, or both necessary and sufficient for f to be continuous at b? Select one or more: C] a. Sufficient but not necessary [1 b. Neither necessary nor sufficient U c. Both necessaryr and sufficient [7 d. Necessary but not sufficient [1 e. None of the rest Determine the following limit: Select one or more: C] a. 2 C] b.4 L] c. None of the rest C] (1.5 C] e. 8 If F(K. L) = f + 2LK2, where L > 0 and K > 0, find FfK Select one or more: [1 a. None of the rest l'_l b. -K-3 +4K l_] c. K9 + 4K l_] d.4K L] e. 4L Consider the following bivariate function for a > 0 and b > 0: g(a,b) = exp[ln(2a2b3)] By first taking the log of both sides, find the elasticity of g with respect to a Select one or more: Cl 3. None of the rest C] b. 2 [:1 c. 4ab3 Cl d. 4 [:1 e. 4313