3x3 + 4'3/37 2 is even, odd, or neither even nor odd. Determine whether the function f(x) = 5 sin x cos 2x Find the range of f(x) = -7x2 - 21x - 5.\fFind the domain of h(x) = V(x2 + 1) (x+ 2) ex . (x3 + 2x2 - 3x)3 For x e (7, 00), use only the definition of increasing or decreasing function to determine if the 1 5 5 _ 71/7x3 function f(x) = is increasing or decreasing. V4x - 3- 3 Evaluate the limit : lim x-3- 1x - 41 . (x - 3)Find the value(s) of k such that limx-1 f(x) exist where: 7x2 - k2x, if x 1