Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. 
C. cannot be simplified
D. 
Answer: D
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Write the form of the partial fraction decomposition of the rational expression. Do not solve for the constants.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem.A consumer group in one city compares the costs of goods and services in that city over various years, and uses 1970 as a base. The same goods and services that cost $100 in 1970 cost $44 in 1944. Assuming the exponential-decay model, find the value of k, and write the equation. Round the value of k to the nearest thousandth. Let t be the number of years before 1970.
A. P(t) = P0e-0.037t B. P(t) = P0e-0.03t C. P(t) = P0e-0.032t D. P(t) = P0e-0.034t
Use the figure below to answer the following question.
Between what two decibel readings is the greatest change in power output found? (Hint: assume that db readings were taken at the following points: 22, 24, 26, 28, 30, 32, 34, 36)
A. 32 db and 34 db B. 22 db and 24 db C. 26 db and 28 db D. 26 db and 30 db E. 24 db and 26 db
Graph the inequality.-64x2 > 4y2 - 256 
A. 
B. 
C. 
D. 