The graph of f(x) = RootIndex 3 StartRoot x EndRoot is shown with g(x). Which equation represents the graph of g(x)? g(x) = RootIndex 3 StartRoot x minus 2 EndRoot g(x) = RootIndex 3 StartRoot x + 2 EndRoot g(x) = RootIndex 3 StartRoot x EndRoot + 1 g(x) = RootIndex 3 StartRoot x EndRoot–1

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?