Differentiate.y = 9x - 1
A. 9x - 1(ln 9)
B. 9x - 1(ln 9x - 1)
C. 9x - 1(ln x)
D. 9 ln 9
Answer: A
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Factor the polynomial completely using the trial and error method.15x2 + 11x - 12
A. (3x - 4)(5x + 3) B. prime C. (3x + 4)(5x - 3) D. (15x + 4)(x - 3)
Determine algebraically whether the function is even, odd, or neither.f(x) = 2x3 - 4
A. even B. odd C. neither
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$25,000 - $29,999
A. 0.09 B. 0.14 C. 0.07 D. 0.13
Evaluate using integration by parts.
dx
A. 
x3/2 ln 
+ 
x3/2 + C
B. 
x3/2 ln 
- 
x3/2 + C
C. 
x3/2 ln 
- 
x3/2 + C
D. 5x3/2 ln 
- 5x3/2 + C