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. Do you think that the amount of income tax collected is linearly related to the year? Explain your thinking.[Hint: determine the average rate of change in tax collected for different time periods.] 
A. No, the amount of tax collected is not linearly related to the year. The average rate of change (slope) is increasing throughout the period 1970 to 1995.
B. No, the amount of tax collected is not linearly related to the year. The average rate of change (slope) is not constant.
C. Yes, the amount of tax collected is linearly related to the year. The average rate of change (slope) is constant.
D. Yes, the amount of tax collected is linearly related to the year. There is a constant difference of 5 between each of the years listed.
Answer: B
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Perform the addition or subtraction.(5x7 - 4x4 + 7x) + (3x7 - 3x4 - 3x)
A. 8x7 - 7x4 + 4x B. 5x12 C. 10x7 + 2x4 - 7x D. 8x - 7x7 + 4x4
Find the partial fraction decomposition.
= 
+ 
A. A = 
, B = - 
, C = 
B. A = 
, B = 
, C = - 
C. A = 
, B = - 
, C = 
D. A = - 
, B = 
, C = 
Solve the inequality. Write the answer in set-builder notation.-5(x + 9) - 21x < 4(-6x + 8) - 3x
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Solve the problem.A surveyor standing 59 meters from the base of a building measures the angle to the top of the building and finds it to be 35°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower?
A. 21.96 m B. 9.31 m C. 12.54 m D. 8.09 m