(1 point) Let 2+x, ifc 3 (a) Evaluate each of the following. (0) lim f(x) = (ii) lim f(x) = I +3 (iii) f (3) = (b) Is the function f() continuous at r = 3? v Note: Input DNE, infinity, and -infinity for does not exist, oo, and -oo, respectively.