Write using radical notation. Then, simplify, if possible.(-27)2/3
A. -9
B. 9
C. -3
D. Not a real number
Answer: B
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Use the 68-95-99.7 rule to solve the problem.Scores on a test are normally distributed with a mean of 106 and a standard deviation of 20. What percentage of scores are greater than 126?
A. 68% B. 84% C. 16% D. 32%
Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = 4x2 - 3; increasing
A. [0, ?)
B. 
C. 
D. (-?, 0]
Provide an appropriate response.Solving for which variable in which equation involves the least amount of work?y = 4x + 234x + 8y = -104
A. x in equation 2 B. x in equation 1 C. y in equation 2 D. y in equation 1
Solve the problem.
The graph of y = f(x) depicts the amount of cash y in dollars that a bank teller has at his station after x minutes. (i) Determine the initial and final amounts of cash at the teller station. (ii) How many deposits occurred during this time period?
A. $350, $225; 1 B. $400, $200; 1 C. $400, $200; 2 D. $400, $150; 0