Find 
and 
, where
?
?
A. 
, 
B. 
, 
C. ?
, 
D. ?
, 
E. The limits do not exist
Answer: C
Mathematics
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Solve the problem.A rescue cable attached to a helicopter weighs 2 lb/ft. A 160-lb man grabs the end of the rope and is pulled from the ocean into the helicopter. How much work is done in lifting the man if the helicopter is 30 ft above the water?
A. 4860 ft ? lb B. 5700 ft ? lb C. 1060 ft ? lb D. 6600 ft ? lb
Mathematics
Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Find the value of df-1/dx at x = f(a).f(x) = 
x + 9, a = 3
A. 
B. 9
C. 
D. 4
Mathematics
An ellipsoid is created by rotating the ellipse 4x²+y²=16 about the x-axis. Find the equation of the ellipsoid.
What will be an ideal response?
Mathematics