Hey! I need help with dilations the whole lesson if you can

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?