Perform the division.
A. x2 + 2
B. x - 2
C. x + 2 + 
D. x + 2
Answer: D
Mathematics
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Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the piecewise function at the given value of the independent variable.f(x) =
; f(1)
A. -2 B. 2 C. 18 D. 1
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = 3 cos(4x)
B. y = -3 sin(4x)
C. y = 3 sin
D. y = 3 cos
Mathematics
Solve the problem.If v = -4i + 2j, find 
.
A. 20
B. 2
C. 6
D. 
Mathematics