Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. - 
C. 
D. -3
Answer: A
Mathematics
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Find the approximate value of the expression, rounded to four decimal places.tan 47.4°
A. -0.9621 B. 0.6769 C. 1.0875 D. 0.7361
Mathematics
Convert the measure from degrees to radians. Express your answer as a multiple of ?.-670°
A. - 
B. - 
C. - 
D. - 
Mathematics
Write the domain of f in interval notation.f(x) = 
A. ( -?, 8] B. (-8, ?) C. [8, ?) D. [9, ?)
Mathematics
Solve the problem.A business estimates that the salvage value V of a piece of machinery after t years is given by 
After what amount of time will the salvage value be $644?
A. After 9.6 years B. After 10.6 years C. After 7.6 years D. After 8.6 years
Mathematics