Evaluate the expression using the given values.-6xy + 6y - 4
x = -2, y = -1
A. -18
B. -14
C. 2
D. -22
Answer: D
Mathematics
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Find the area of the specified region.Inside the circle r = 6 and to the right of the line r = 3 sec ?
A. 3(2? + 3
)
B. 3(4? - 3
)
C. 6(2? - 3
)
D. 6?
Mathematics
Evaluate the integral by making a substitution and then using a table of integrals.
A. ln 
- 10 ln 
+ C
B. - 10 ln 
+ C
C. ln 
+ x - 10 ln 
+ C
D. ln 
- 10 ln 
+ C
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions.log4(16x)
A. 2x B. 2 + log4 x C. 2 log4 x D. 8 + log4 x
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
÷ 
A. 4
B. 
C. 16
D. 
Mathematics