Provide an appropriate response.State the domain of the inverse cosine function.
A. (-1, 1)
B. [0, ?]
C. 
D. [-1, 1]
Answer: D
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Provide an appropriate response.A circular pool 10 feet in diameter is surrounded by a walkway that is 5 feet wide. What is the area of the walkway? Round the answer to the nearest hundredth of a foot.
What will be an ideal response?
Solve the problem.The unpaid balance in an account at the beginning of December was $121. A payment of $50 was made on December 22. The finance charge rate was 1.6% per month of the average daily balance. Find the new balance at the end of December.
A. $72.64 B. $72.68 C. $87.78 D. $72.60
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 1 or x ? -5
A. [-5, 1]
B. ?
C. (-?, ?)
D.
(-?, -5] ? [1, ?)
Provide an appropriate response.Is the following sequence geometric? Explain.log 8, log 82, log 84, log 88, . . .
What will be an ideal response?