Solve the problem.The total individual income tax collected by the tax collecting body of a country is a function of the number of people working, their income, and the tax rates. It has increased each year since 1970. The table below shows the individual income tax collected (in billions) for the time period between 1970 and 1995. Find the average annual rate of change between 1980 and 1990.
A. $34.5 billion per year
B. $38.4 billion per year
C. $24.8 billion per year
D. $38.1 billion per year
Answer: C
Mathematics
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Solve.x2 = -36
A. ± 6i B. ± 36i C. ± 6 D. ± i
Mathematics
Solve the system of nonlinear equations.x2 + y2 = 164x2 - y2 = 36
A. (10, 8), (-10, 8), (10, -8), (-10, -8) B. (10, -8), (10, 8) C. (10, 8), (8, 10), (-10, -8), (-8, -10) D. (-10, -8), (-8, -10)
Mathematics
Evaluate the given binomial coefficient.
A. 1 B. 6 C. 4 D. 0
Mathematics
What is the effective annual interest rate of an investment that pays 6% annual interest, compounded daily, assuming a 365-day year? Round your answer to two decimal places.
a. 6.18% b. 6.14% c. 6.00% d. 6.09%
Mathematics