Suppose that f(x) = x2 and g(x) = + 4/5x2. Which statement best compares the graph of g(x) with the graph of f(x)?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?