Set up an integral for the area of the surface generated by revolving the given curve about the indicated axis.xy = 5, 3 ? y ? 4; y-axis

A. 10? dx
B. 10? dx
C. 5? dx
D. 5? dx


Answer: B

Mathematics

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Evaluate the integral.

A. 4 + C
B. 4 + C
C. 4 + C
D. 4 + C

Mathematics

Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan

A. y = tan u; u = ? -  = sec2
B. y = tan u; u = ? -  =  sec tan
C. y = tan u; u = ? -  =  sec2
D. y = tan u; u = ? -  = sec2

Mathematics

Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 

A. x-intercepts: (-4, 0) and (4, 0) , y-intercept:  

B. x-intercepts: (-4, 0) and (4, 0) , y-intercept: 


C. x-intercept: (0, 0) , y-intercept: (0, 0) ;

D. x-intercept: (0, 0) , y-intercept: (0, 0) ;

Mathematics

Divide.

A. x4 + 10x3 + 23x2 -7 B. x3 - 5x2 + 2x + 3 C. x3 + 5x2 - 2x + 3 D. x3 + 10x2 + 23x - 10

Mathematics