. Find the inverse of the function below on the given interval and write it in the form yequalsf Superscript negative 1 Baseline (x ). b. Verify the relationships f (f Superscript negative 1 Baseline (x ))equalsx and f Superscript negative 1 Baseline (f (x ))equalsx.

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”?