Question 17 5 pts 5 1 Evaluate the expression ( - 1 - 72) + ( - 5 + 62) and write the result in the form a + bi. Question 18 5 pts 9 1 The following table of data from the U.S. Bureau of the Census gives the median age of an American man at the time of his first marriage Year 1910 19 1930 1940 1950 1960 1970 1980 1990 2000 2010 Median Age 25.1 24.6 24.3 24.3 22.8 22.8 23.2 24.7 26.1 26.8 27.5 What 10-year period had the largest average rate of change? 1960-1970 1970-1980 1980-1990 1990-2000 2000-2010 Question 19 5 pts 1 Perform the indicated operation & simplify. Express the answer in terms of i (as a complex number). (6 + 112) (2 - 42) = Question 20 5 pts 5 1 The graph above is a transformation of the function Va Write an equation for the function graphed above g(x) =