For questions 1 to 9: The graph below is a quadratic function. Four key points are marked. A based on this graph.
(-3,0)
(1.0)
-2
O
(0.3)

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

With both problems. a.s.a.p directions on photo ^

Who long does it take to drive 150 miles at 45 miles per hour