Please help with the following polynomial function

Choose the and behavior of the graph of each polynomial function. [(3 Falls to the left and rises to the right '0 Rises to the left and falls to the right (a) f(x) = 4x5 7x4 - 8x3 - 5 O Rises to the left and rises to the right 0 Falls to the left and falls to the right 0 Falls to the left and rises to the right 4 3 2 O Rises to the left and falls to the right (b) f(x) = 5x + 4x + 3x +x 0 Rises to the left and rises to the right 0 Falls to the left and falls to the right 0 Falls to the left and rises to the right 2 O Rises to the left and falls to the right (C) f(x) = 3x(x +1)(x ' 4) O Rises to the left and rises to the right 0 Falls to the left and falls to the right