Find the area of the shaded region.
A. 2
B. 2?
C. 2 + 2?
D. ?
Answer: B
Mathematics
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Divide.-56 ÷ (-7)
A. -9 B. 8 C. 9 D. -8
Mathematics
Solve the problem by integration.The slope of a curve is given by 
Find the equation of the curve if it passes through 
.
A. y = - 
+ 
tan-1 
+ 
- 
?
B. y = 
- 
tan-1 
- 
+ 
?
C. y = - 
+ 
tan-1 
+ 
- 
?
D. y = 
+ 
tan-1 
- 
- 
?
Mathematics
Combine the complex numbers.8i + (-7 - i)
A. -7 + 9i B. -7 + 7i C. 7 - 7i D. 7 - 9i
Mathematics
Solve the problem.Given the following revenue and cost functions, find the x-value that makes profit a maximum. (Recall that profit equals revenue minus cost.) R(x) = 58x - 2x2; C(x) = 25x + 98
A. 14.5 B. 9.25 C. 16.5 D. 8.25
Mathematics