Express as a sum of logarithms.log2(16 ? 4)
A. log24 + log22
B. log162 + log42
C. log216 + log24 + log22
D. log216 + log24
Answer: D
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Use exponential regression to determine what happens to y when t is increased by 1 unit. Round your answer to two decimal places. t 1.20 3.89 6.59 9.00 11.14 y 3.60 6.62 16.08 31.92 61.67?
A. y is multiplied by 1.84. B. 1.84 is added to y. C. 1.34 is added to y. D. y is multiplied by 1.34.
Find log 10,000.
A. -4 B. 4 C. -5 D. 5
The following question refers to a country with five states. There are 250 seats in the legislature, and the populations of the states are given in the table below.
Under Webster's method, the apportionments to each state are
A. State A: 6; State B: 22; State C: 118; State D: 96; State E: 8. B. State A: 7; State B: 22; State C: 117; State D: 95; State E: 9. C. State A: 6; State B: 22; State C: 117; State D: 96; State E: 9. D. State A: 6; State B: 23; State C: 116; State D: 96; State E: 9. E. none of these
Find the center and radius of the circle.x2 + y2 - 2x + 10y - 55 = 0
A. center: (-5, 1); radius: 9 B. center: (1, -5); radius: 9 C. center: (-1, 5); radius: 81 D. center: (5, -1); radius: 81