Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log2
A. -1.0000
B. -2.3219
C. -0.4307
D. -0.3979
Answer: B
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Solve the equation.log2(x - 5) + log2(x - 11) = 4
A. {13, 3} B. {3} C. {14} D. {13}
Solve the equation.|x| = -6
A. 6 B. ±6 C. -6 D. empty set
Solve the problem.The graph shows an idealized linear relationship for the average monthly payments (in dollars) to retirees from 2000 through 2004. Use the midpoint formula to estimate the payment for 2002.Average Monthly Payments to Retirees
a = $452; b = $524
A. $488 B. $36 C. $524 D. $500
Solve the problem.The following graph approximates the average monthly cable TV rates, in dollars, since 1980. The equation of this graph is given by R = -0.0036t3 + 0.13t2 - 0.073t + 7.7 
Use the graph to approximate the domain and range of the function.
A. Domain: [0, ?), Range: [0, 36] B. Domain: (-?, ?), Range: [0, 32] C. Domain: [0, 27], Range: [8, 31] D. Domain: [8, 31], Range: [0, 27]