How to do triangle transformation

Answer question above and explain each step : )

How many zeros does the function f(x)=4x3-x2+1 have

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