Find the value of the determinant.
A. 50
B. 16
C. 34
D. -34
Answer: D
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Solve the equation.3(1 + 2x) = 27
A. -1 B. 3 C. 1 D. 9
Write the phrase as a variable expression. Use x to represent "a number."The quotient of 4 and a number, added to -17
A. -17 + 
B. 4 + x + (-17)
C. 
D. -17 + 
Find the average rate of change for the function over the given interval.y = 5x + 7 between x = -1 and x = 0
A. 
B. 5
C. - 
D. -28
Solve the problem.After introducing an inhibitor into a culture of luminescent bacteria, a scientist monitors the luminosity produced by the culture. Use a graphing utility to fit a logarithmic function to the data. Predict the luminosity after 20 hours.
A. y = 107.55 - 41 ln (x), -15.27 B. y = 100.5 - 32.7 ln (x), 2.54 C. y = 112.97 - 45.97 ln (x), -24.74 D. y = 98.75 - 32.66 ln (x), 0.91