Simplify the expression.
- 
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Simplify the rational expressions.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 9 inches longer than the width. Find the width.
A. 31 in. B. 11 in. C. 20 in. D. 29 in.
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.3x2 - 4x - 7 = 0
A. x = 
, -1
B. x = 
, 1
C. x = 
, 1
D. x =
, -1
Mathematics
Graph both functions using the same set of axes.f(x) = 4x, f-1(x) = log4x
A. f(x)
B. f(x)
C. f(x)
D. f(x)
Mathematics