Which of the following statements is incorrect?
?
A. ?If a> b and b> c, then a> c.
B. ?If a = b and b = c, then a = c.
C. ?If a> c and a> b, then b> c.
D. ?If a< b and b< c, then a< c.
E. ?None of the above.
Answer: C
Mathematics
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Solve the initial value problem.?2
- 3?y = ?5 sec ? tan ?; ? > 0, y(?) = 0
A. y = - 
- ?3 , ? > 0
B. y = 
+ ?2 , ? > 0
C. y = 
+ ?3 , ? > 0
D. y = - 
- ?2 , ? > 0
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Solve the equation.3x - 12 = logx 1
A. {9}
B. {36}
C. 
D. {4}
Mathematics
Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x
A. x + 
x3 - 
x5 + 
x7 + . . .
B. 1 + x - 
x2 - 
x3 + . . .
C. x - 
x3 + 
x5 - 
x7 + . . .
D. x - 
x3 + 
x5 - 
x7+ . . .
Mathematics
Find the exact value without using a calculator. tan 
A. -
B. 
C. 
D. 
Mathematics