Use l'H
pital's Rule to evaluate the limit.
(tanh x)x
A. 1
B. e2
C. ?
D. 0
Answer: A
Mathematics
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Provide an appropriate response.What form do planes perpendicular to the y-axis have in cylindrical coordinates?
A. r = a sin ? B. r = a sec ? C. r = a csc ? D. r = a cos ?
Mathematics
Solve.Find the centroid of the region between the x-axis and the curve y = 6 csc2 x, 
? x ? 
.
A. 
= 
, 
= 4
B. 
= 
, 
= 8
C. 
= 
, 
= 9
D. 
= 
, 
= 6
Mathematics
Solve the equation.2x2 - 18x + 40 = 0
A. x = 0, 4, 5 B. x = -4, -5 C. x = 4, 5 D. x = 2, 4, 5
Mathematics
Solve and graph the solutions.|x + 1.5| ? 4
A. 
B. 
C. 
D. 
Mathematics