Perform the indicated operation.
A. x - 4
B. x + 4
C. x + 6
D. 4 - x
Answer: A
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Use the vertical line test to determine if y is a function of x.
A. Function B. Not a function
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 8x + 12 ln
- 
+ C
B. 
- 8x - 48 ln
+ 
+ C
C. 
- 8x + 48 ln
+ 
+ C
D. 48 ln
+ 
- 
+ C
Find the sum.5 + (-15) + 1
A. -9 B. 19 C. -11 D. 21
Solve the problem.The Feldmans bought their first house for 
Over the years they moved three times into bigger and bigger houses. Now, 44 years later, they are ready to retire and want a smaller house like the first one they bought. If inflation in property values has averaged 
per year during that time, how much will such a house cost them now? (Round your answer to the nearest dollar.)
A. $84,084 B. $3,437 C. $86,593 D. $3,337