Perform the indicated operation and simplify. Write the answer in the form a + bi.(8i)(-15i)
A. -120i
B. 120
C. 120i
D. -120
Answer: B
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. ln e3 + ln 8 B. ln e3 - ln 8 C. 3 + ln 8 D. 3 - ln 8
As a result of increasingly stiff laws aimed at reducing the number of alcohol-related traffic accidents in a certain state, preliminary data indicate that the number of such accidents has been changing at the rate of
?
?
accidents/month t months after the laws took effect. There were 962 alcohol-related accidents for the year before the enactment of the laws. Determine how many alcohol-related accidents were expected during the first year the laws were in effect. Please round the answer to the nearest integer.
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A. 799 accidents B. 520 accidents C. 991 accidents D. 676 accidents E. 597 accidents
Use a calculator to find the logarithm. Give an approximation to four decimal places.log 197
A. 5.2832 B. 2.2967 C. 2.2923 D. 2.2945
Find the composite function for the given functions and state the domain. g ? f for f(x) = 
and g(x) = 7x5
A. 
B. 
C. 
D. 