Solve the equation.log2(x - 5) + log2(x - 11) = 4
A. {13}
B. {3}
C. {14}
D. {13, 3}
Answer: A
Mathematics
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Find numbers a and b, or k, so that f is continuous at every point.
A. k = 49
B. k = 7
C. k = 
D. Impossible
Mathematics
Determine the principal value without using a calculator.- 3
A. Not real number B. 4 C. 2 D. -2
Mathematics
Solve the problem.Larry has $2000 to invest and needs $2400 in 12 years. What annual rate of return is required for him to accomplish his goal, if interest is compounded continuously? Round your answer to two decimal places.
A. 3.49% B. 1.49% C. 2.49% D. 1.52%
Mathematics
Write the phrase as a variable expression. Use x for the unknown number.The quotient of -20 and the difference of a number and 2
A. 
B. 
C. 
D. 
Mathematics