Evaluate the determinant.
A. -39
B. 89
C. - 89
D. 0
Answer: B
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Estimate the answer by rounding as indicated.Estimate by rounding to the nearest hundred.
A. 511,688 B. 511,700 C. 1500 D. 560,000
Use a calculator with a 
key or a 
key to solve the problem.The exponential function f(x) = 47.36(1.027)x describes the population of a certain country, y, in millions, in year x. a) Substitute 0 for x and, without using a calculator, find the country's population in year 0. b) Find the country's population in year 27 as predicted by this function.
A. a) 1 million; b) 102.554 million B. a) 47.36 million; b) 97.233 million C. a) 47.36 million; b) 99.858 million D. a) 1.027 million; b) 94.677 million
Provide an appropriate response.Change 500 inches to meters. (Round to nearest tenth; 1 m = 39.37 in.)
A. 12.8 B. 196.85 C. 19,685 D. 12.7 E. none of the above
Write an equation for the graph.
A. x = y + 4 B. y = x + 4 C. x = 4 D. y = 4