Simplify.(x2 + 7x + 7) + (7x + 5)
A. 7x2 + 14x + 12
B. 26x2
C. 7x2 + 7x + 12
D. x2 + 14x + 12
Answer: D
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 3
B. 
+ 
- 
- 
C. 
(ln(3x + 1) + 2ln(x + 2) - ln(x3 + 5) - ln(x + 7))
D. 
Mathematics
Find the interval of convergence of the series.
A. -5 < x < 9
B. - 
< x < 
C. -5 ? x ? 9
D. 1 ? x < 3
Mathematics
Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 3y2 + 6 ln 
+ ln 
+ C
B. 3y2 + ln 
+ ln 
+ C
C. 3y2 + ln 
+ (2y + 1) ln 
+ C
D. 3y2 - ln 
+ 6 ln 
+ C
Mathematics
Simplify the expression.9a - 5a + 4
A. 4a + 4 B. 14a + 4 C. 8a D. -4a + 4
Mathematics