Find the volume.Find the volume of the solid generated by revolving the area under y = 10e-x in the first quadrant about the x-axis
A. 100?
B. 50?
C. 200?
D. 10?
Answer: B
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In a circuit where i leads e by 90ø,
a. i is 0 when e is max. b. e is 0 when i is max. c. i is 0 when e is min. d. e is 0 when i is min. e. e is 0 when i is max or min, and i is 0 when e is max or min.
Use identities to simplify the expression. Do not use a calculator.2 cos222.5° - 1
A. 
B. 
C. 
D. 
Find the exact value using a double-angle identity.sin 
A. 
B. 0
C. - 
D. - 
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
where x represents the number of boxes of computer chips produced. The total profit function, 
is such that 
Find 
alt="" style="vertical-align: -4.0px;" /> A. P(x) = -0.3x2 + 37x + 9 B. P(x) = 0.3x2 + 37x - 27 C. P(x) = 0.3x2 + 42x - 18 D. P(x) = -0.3x2 + 42x - 9