Simplify.
A. 
B. -1
C. 1
D. 
Answer: A
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Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. -5
C. 
D. -5
Multiply.(-x)(x - 5y)(x - 3y)
A. -x3 + 8x2y - 15xy2 B. -x2 + 8xy - 15y2 C. -x3 - 8x2y + 15xy2 D. -x3 - 8xy + 15y2
Provide an appropriate response.Graph f(x) = 5x and g(x) = log5x in the same rectangular coordinate system. Use the graphs to determine each function's domain and range.
A. Domain of f: (-?, ?), Range of f: (0, ?)
Domain of g: (0, ?), Range of g: (-?, ?)
B. Domain of f: (-?, ?), Range of f: (0, ?)
Domain of g: (0, ?), Range of g: (-?, ?)
C. Domain of f: (0, ?), Range of f: (-?, ?)
Domain of g: (-?, ?), Range of g: (0, ?)
D. Domain of f: (0, ?), Range of f: (-?, ?)
Domain of g: (-?, ?), Range of g: (0, ?)
Data are given for y as a power function of x. Write an equation for the power function, and state its power and constant of variation.
A. y = 
; Power = -4; constant of variation = 16
B. y = - 
; Power = -2; constant of variation = -16
C. y = - 
; Power = -1; constant of variation = -16
D. y = - 16x ; Power = 1; constant of variation = -16