The function f (x) is defined below. What is the end behavior of f (x)?
f(x) = -1120.c + 120x2 - 10x4 + 80x3 + 1280

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50