Provide an appropriate response.The region shown here is to be revolved about the y-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case?
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What will be an ideal response?
The volume can be found using the washer method with 2 integrals or using the shell method with 1 integral.
Mathematics
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Perform the indicated operation. Write the answer in the form a + bi.
A. -2 + 2
i
B. -10 + 10
i
C. - 
+ 
i
D. - 
+ 
i
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = x2 + 2
A. opens down B. opens up
Mathematics
Simplify the expression.
A. -csc x B. sin x C. - sin x D. csc x
Mathematics
Solve by factoring and using the principle of zero products.21n2 + 42n = 0
A. - 2, 42 B. - 2, 0 C. - 2 D. 0
Mathematics