Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve for y or k, as appropriate.ln (y - 1) - ln 4 = x + ln x
A. 4xex + 1 B. (x + 4)ex + 1 C. 2x + 5 D. ex + 4x + 1
Mathematics
Solve.The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. 
At the break-even point both cost and revenue are what?
A. $1500 B. $750 C. $2250 D. $2700
Mathematics
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 4x2 - 3x
A. continuous for all real numbers except x = 
B. continuous for all real numbers
C. continuous for all real numbers except x = 4
D. continuous for all real numbers except x = - 
Mathematics
Use a calculator to approximate the logarithm to four decimal places.log 3.96
A. 0.5866 B. 1.3762 C. 0.6085 D. 0.5977
Mathematics