If y varies inversely as x, write a general formula to describe the variation.y = 40 when x = 3
A. y = 
B. y = 
C. y = 
x
D. y = 
Answer: A
Mathematics
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Write fraction as decimal number. Use bar notation for repeating decimals.
A. 1.18
B. 1.1875
C. 1.1
D. 1.187
Mathematics
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 y + 
B. 
ln 
+ 
C. 7 ln y + 7
D. 
Mathematics
Find the exact value of the logarithmic expression.log10100
A. 2
B. 
C. 20
D. -2
Mathematics
Find the indicated limit.
x cos 
A. 1 B. -? C. ? D. 0
Mathematics