Find f + g or f - g as indicated.f(x) = x2 + 4x + 8, g(x) = 7x + 8Find f + g.
A. x2 + 11x + 11
B. x2 + 10x + 12
C. x2 + 10x + 16
D. x2 + 11x + 16
Answer: D
Mathematics
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Solve the problem.The curve x = y2 is revolved about the x-axis. Find a parametrization of the surface of revolution and then find the equation of the tangent plane at the point 
What will be an ideal response?
Mathematics
Evaluate the integral.
A. 7 tan-1 
- 
+ C
B. 7 sin-1 
- 
+ C
C. sin-1 
- 2
+ C
D. 
tan-1 
+ 
+ C
Mathematics
Graph the inequality.
A. 
B. 
C. 
D. 
E. 
Mathematics
Use integration by parts to find the integral.
A. 
x2 ln x - 
+ C
B. 
ln x - 
+ C
C. 
x2 ln x - 
x2 + C
D. 
x ln x - 
x + C
Mathematics