Solve the problem.Decide which of the rational functions might have the given graph. 
A. R(x) = 
B. R(x) = 
C. R(x) = 
D. R(x) = 
Answer: D
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For the function f, construct and simplify the difference quotient 
.f(x) = 
A. 
B. 
C. 
D. - 
Write the first four terms of the sequence whose general term is given.an = (-1)n + 1(n + 5)
A. -6, 7, -8, 9 B. 6, -14, 24, -36 C. -7, 8, -9, 10 D. 6, -7, 8, -9
Rewrite -219.80° in radian measure. Round to three decimal places.
A. -0.767 B. -0.691 C. -0.460 D. -0.575 E. -3.836
Solve the problem.An electrician has to choose different types of wire for different applications. The size of the diameter of the wire is inversely related to the gauge of the wire. The chart below shows some different gauges of wire and their approximate diameters. Use the chart to answer the question. 
Write the diameter of 16 gauge wire in words and as a fraction.
A. Thirty-two hundredths inch; 
= 
B. Ninety-four thousandths inch; 
= 
C. Thirty-two ten-thousandths inch; 
= 
D. Thirty-two thousandths inch; 
= 