Simplify the expression.(-4)2 ? 80
A. -16
B. 
C. - 
D. 16
Answer: D
Mathematics
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For the function f whose graph is given, determine the limit.Find
f(x).
A. 
B. 3
C. 4
D. does not exist
Mathematics
Perform the indicated operation and express the answer in decimal notation.
A. -1800 B. 0.09 C. -5,460,000 D. 900
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. log (5x5
) - log (7(x + 1)2)
B. log 5 + 5log x + 
log (1 - x) - log 7 + 2log (x + 1)
C. log 5 + 5log x + 
log (1 - x) - log 7 - 2log (x + 1)
D. log 5 + log x5 + log (1 - x)1/5 - log 7 - log (x + 1)2
Mathematics
Find an equation of the line.
A. x = - 
B. y = - 
x
C. y = - 
D. x = 
Mathematics