Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 
ey2, y = 0, x = 0, y = 1
A. 
(e - 1)
B. 7?(e - 1)
C. ?(e - 1)
D. 
?e
Answer: A
Mathematics
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Evaluate the integral.
A. -5t+ C
B. 2 tan-1 
+ C
C. tan-1 (t - 5) + C
D. 
tan-1 
+ C
Mathematics
Add. Use a number line only as a check.19 + (-19)
A. 1 B. -38 C. 0 D. 38
Mathematics
Solve the equation for ? if 
. Do not use a calculator.
?
What will be an ideal response?
Mathematics
Solve the problem.An appliance company determines that in order to sell x dishwashers, the price per dishwasher must bep = 420 - 0.3x.It also determines that the total cost of producing x dishwashers is given byC(x) = 5000 + 0.3x2.How many dishwashers must the company produce and sell in order to maximize profit?
A. 350 B. 300 C. 700 D. 400
Mathematics