Will someone answer the highlighted questions for me ?

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

Indicate the equation of the given line in standard form. the line containing the longer diagonal of a quadrilateral whose vertices are a (2, 2), b(-2, -2), c(1, -1), and d(6, 4).

The girls swim team is hosting a fund raiser. they would like to raise at least $500. they are selling candles for $5 and flower arrangements for $6. the girls estimate that at most they will sell 200 items.