19. Without sketching, determine the left hand and right hand end behavior of the graph of
P(x) = 2x\textsuperscript{5} - 11x\textsuperscript{4} - 12x\textsuperscript{3}.
a. Down to the left, down to the right
b. Down to the left, up to the right
c. Up to the left, up to the right
d. Up to the left, down to the right