Simplify the expression. Assume that all variables are positive when they appear.

A.
B. x4
C. x
D. x2

Answer: D

Mathematics

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Convert the numeral to Hindu-Arabic form.

A. 920 B. 520 C. 620 D. 820

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Find the absolute extreme values of the function on the interval.f(x) = tan x,  -  ? x ? 

A. absolute maximum is  at x =  and - ; no minimum value
B. absolute maximum is  at x = ; absolute minimum is -1 at x = - 
C. absolute maximum is -1 at x = ; absolute minimum is  at x = - 
D. absolute maximum is  at x = ; absolute minimum is -1 at x = - 

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Solve the equation.2x + 5 - 18 = 0

A. 2
B. , 4
C. , 2
D. 4

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Mathematics

Provide an appropriate response.True or false? If f is a one-to-one function and the graph of f lies completely within the fourth quadrant, then the graph of f-1 lies completely within the second quadrant.

A. True B. False

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Mathematics