Use an identity to write the expression as a single trigonometric function or as a single number.
A. 
B. 
C. 
D. 
Answer: B
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Find the point of the curve at which the curvature is at a maximum.y = x2 - 6x
A. (-9, 3) B. (3, -9) C. (-3, 9) D. (9, -3)
Solve the problem.The difference between two complementary angles is 26°. What is the measure of the larger angle?
A. 103° B. 58° C. 32° D. 64°
150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Assuming there were no outliers, the lowest score on the exam was around
A. 65. B. 35. C. 0. D. 10. E. none of these
Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour.
A. an = 5n + 5; 10 weeks B. an = 5n + 10; 11 weeks C. an = 5n + 5; 11 weeks D. an = 5n + 10; 10 weeks