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- The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups.25-year-old drivers areinvolved in 4.1 fatal crashes per 100 million miles driven. Thus, when a group of 25-year-old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died.The number of fatal vehicle crashes per 100 million miles, y, for drivers of age x can be modeled by the formulay = 0.013x2 - 1.19x + 28.24.Use the formula above and the bar graph.What age groups are expected to be involved in 10 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown by the bar graph?Suppose (−4,1) is a point on the graph of y=f(x). What is a point that will be on the graph of y=−f(x−10)?What is the x-component of the minimum point of the function in the picture?
- Find the x-coordinate of each point of inflection of the graphof g on the open interval (-3, 4).Suppose that the function y=f(x) is increasing on the interval (-1,5). Over what interval is the graph of y=f(x-5) increasing ?Draw the graph of the function y = x-[x],where [x] denotes the greatest integer in x not greater than x. From the graph find the points of discontinuity of the function.
- suppose that the selling price P of an item to the quantity x is given by P=-1/4x +50. 0<or= x <or =200 Whats the maximum revenue that can be obtained from this model?A company has determined that for product A,150 units are demanded if price RM40, and 100 units are demanded if price is RM45. What is the number of units that will maximize the revenue of product A?Suppose the percent of males who enrolled in college within 12 months of high school graduation is given by y= -0.126x + 55.72 and the percent of females who enrolled in college within 12 months of high school graduation is given by y= 0.73x + 39.7, where x is the number of years after 1960. Use graphical methods to find the years after these models indicate that the percent of females equaled the percent of males.
