x2 + dx + 2d + 2x
A. x(x + 2)
B. x(x + d)
C. x(x + d) + 2
D. (x + 2)(x + d)
Answer: D
Mathematics
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A. 
tan-1 
+ C
B. sin-1 
+ C
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sin-1 
+ C
D. tan-1 
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Use areas to evaluate the integrals.
dx, b > 0
A. 
B. 
C. 
D. 
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Divide.-6 ÷ 
A. 2
B. -18
C. 
D. 18
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Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 
.
A. 18
B. 
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