Q Homework Quiz 3 Answers
1. D. Each additional widget sold increases profit by $40.
2. B. There was an average decrease of approximately 51 fatalities per year.3. C. x = -1, 1, 34. D. 245. D. -1/2
1.Slope =(150-(-250))?(10-0) = 400?10 = $40 2.Average Rate of Return (1999-2009) = (985-(1496))?(2009-1999) = -511/10 = -51 3.X-intercepts are points in which the graph of the function crosses the x-axis.