Simplify.
A. 
B. 
C. 
D. 
Answer: B
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 2t
A. 
B. 
C. 2t
D. 
A radio station operating on 750 kHz has a carrier frequency of:
a. 750,000 Hz b. 7,500,000 Hz c. 75,000,000 Hz d. 75,000 Hz e. 7,500 Hz
Solve the problem.A company produces two sizes of a dog house; large and small. If ? represents the number of large dog houses and s represents the number of small dog houses, then the polynomial 
describes the revenue from the sale of the two sizes of dog house. The polynomial 
describes the cost of producing the two sizes of dog house. Write an expression in simplest form for net.
A. 410? + 280s + 665 B. 50? + 42s - 460 C. 70? + 40s - 465 D. -70? - 40s + 465
Solve the problem.The table shows the population of a certain city in various different years. Use regression to find values for a and b so that f(x) = axb models this data, where x represents the number of years since 1980 and f(x) is the population of the city in hundreds of thousands. Round your answers to 5 significant digits.
A. a ? 1.8506, b ? 0.51209 B. a ? 2.6352, b ? 0.47558 C. a ? 2.1375, b ? 0.44316 D. a ? 1.7025, b ? 0.53750