Factor the trinomial completely.x2 - 2x + 1
A. (x + 1)2
B. (x - 1)(x + 1)
C. (x - 2)(x + 2)
D. (x - 1)2
Answer: D
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Solve.Use the formula D = 10.0 log (S/S0), where the loudness of a sound in decibels is determined by S, the number of watt/m2 produced by the sound wave, and S0 = 1.00 × 10-12 watt/m2. What is the intensity in watt/m2 of a noise measured at 64 decibels? (Round to an appropriate number of significant digits.)
A. 2.5 × 10-6 watt/m2 B. 6.4 × 10-10 watt/m2 C. 6.0 × 1014 watt/m2 D. 2.5 × 10-5 watt/m2
Use the periodic compound interest formula to solve the problem.Find the accumulated value of an investment of $530 at 8% compounded annually for 5 years. Round to the nearest cent.
A. $778.74 B. $699.60 C. $742.00 D. $721.06
Determine if the function is even, odd, or neither.g(x) = 
A. Even B. Odd C. Neither
Fill in the blank with one of the words or phrases listed below.
A(n) 
contains a whole number part and a fraction part.
A. complex fraction B. proper fraction C. mixed number D. improper fraction