Find the foci of the hyperbola.4y2 - x2 = 4
A. (0, 
), (0, -
)
B. (2, 0), (-2, 0)
C. (
, 0), (-
, 0)
D. (0, 2), (0, -2)
Answer: A
Mathematics
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Evaluate the integral.
ln 9x dx
A. 
x5 ln 9x - 
x5 + C
B. 
x5 ln 9x - 
x6 + C
C. ln 9x - 
x5 + C
D. 
x5 ln 9x + 
x5 + C
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The graphs below show the first and second derivatives of a function 
. Select a possible graph of f that passes through point P.f'?f"
?
A. 
B. 
C. 
D. 
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Provide an appropriate response.Which integral or integrals have a value of zero?i) 
ii) 
iii) 
, where b > 0iv) 
, where b < 0
A. Both i and ii B. Both i and iv C. Only i D. All of these
Mathematics