Solve.
= 1
A. - 
, 
B. 
C. 
D. - 
, 
Answer: A
Mathematics
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Write the expression in the form a + bi.
A. 
- 
i
B. 
+ 
i
C. 
- 
i
D. 
+ 
i
Mathematics
Provide an appropriate response.Prove that the function f is not one-to-one.f(x) = 
- 2
What will be an ideal response?
Mathematics
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 = 112.97 - 45.97 ln (x), -24.74 B. y = 98.75 - 32.66 ln (x), 0.91 C. y = 100.5 - 32.7 ln (x), 2.54 D. y = 107.55 - 41 ln (x), -15.27
Mathematics
Add or subtract. Simplify your answer to lowest terms.
- 
A. r + 9
B. r - 81
C. 
D. r - 9
Mathematics