Find the inverse function of f.
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Solve the problem.Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students, B's to the next 25%, C's to the next 40%, D's to the next 16%, and F's to the bottom 9%. What is the bottom cutoff for a D grade? Round your answer to the nearest whole number.
A. 62 B. 58 C. 65 D. 56
Mathematics
Write as a percent.
A. 74.6% B. 7.46% C. 746% D. 0.746%
Mathematics
Multiply. Assume that no radicands were formed by raising negative numbers to even powers.4
A. 32x - 16x
B. 32x - 16x
C. 16
D. 32x - 16
Mathematics
Solve the inequality, then graph the solution.11t + 12 ? 10t + 21
A. t ? 9 
B. t > 11 
C. t ? 9
D. t < 11 
Mathematics