Simplify the expression. Assume all variables represent positive real numbers.

A. 9xy 
B. 9xy2  
C. 3x2y2 
D. 9xy 

Answer: D

Mathematics

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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number  such that for all x, 0 <  < ? ?  < ?.f(x) = -9x - 8, L = -44, x0 = 4, and ? = 0.01

A. 0.002222 B. 0.000556 C. 0.001111 D. -0.0025

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Convert the number to decimal form.5627eight

A. 160 B. 111 C. 2967 D. 45,016

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Given a function and how it is to be shifted, find an equation for the shifted function.y = , right 2

A. y =  + 2
B. y =  - 2
C. y = 
D. y = 

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Solve.The price of a jacket was reduced from $117 to $81.90. What was the percent of decrease in the price?

A. 30% B. 3% C. 31% D. 32%

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Mathematics