Solve the problem.y varies directly as x and inversely as the square of z. y = 9 when x = 36 and z = 6. Find y when x = 88 and z = 5.
A. 26.4
B. 31.68
C. 158.4
D. 15.28
Answer: B
Mathematics
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A. 3x(x2 + 9x) B. 3x2(x + 4) C. 3x(x2 + 4) D. 3x(x2 + 4x)
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Integrate the function.
dx
A. 
ln 
- 
+ C
B. ln 
+ 
+ C
C. 
ln 
- sin-1 
+ C
D. x + ln 
+ 
+ C
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Write fractions to represent the shaded and unshaded portions of the figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Find the common ratio for the geometric sequence.1, 
, 
, 
, 
, . . .
A. 2
B. 
C. 9
D. 
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