.For two matrices (a 3)=(-4 3), what is the value of a?

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

I’m really confused and need to learn this

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?