Find the surface area of the figure. When appropriate, use ? = 3.14 and round your answer to the nearest hundredth.
A. 486 ft2
B. 243 ft2
C. 216 ft2
D. 54 ft2
Answer: A
Mathematics
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Integrate the function.
A. 
sin-1 
x + C
B. 
sec-1 
x + C
C. 
sec-1 
x + C
D. 
sin-1 
x + C
Mathematics
Solve the given differential equation. (The form of yp is given.)36D2y - y = sin x (Let yp = A sin x + B cos x.)
A. y = c1ex/6 + c2e-x/6 - 
sin x + 
cos x
B. y = c1ex/6 + c2e-x/6 - 
sin x
C. y = c1ex/6 + c2e-x/6 + 
sin x
D. y = c1ex/6 + c2e-x/6 - 
cos x
Mathematics
Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(t) = 7 - 
2 on [0, 4] divided into 4 subintervals
A. 7
B. 
C. 
D. 
Mathematics
Graph the function.y = 3 cos (?x)
A. 
B. 
C. 
D. 
Mathematics