radical-expressions-and-radical-functions-2-multiple-choice-questions

correctly answer and double check the solutions to these two multiple choice problems.

Simplify the expression below. Assume all variables are nonnegative real numbers. fourth root of left parenthesis 3 x minus 1 right parenthesis to the power of 4 end root

open vertical bar 3 x minus 1 close vertical bar

12x-4

3x-1

no real number

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Find f(-1) for the function f left parenthesis x right parenthesis space equals space square root of x plus 5 end root

2.4

2.2

2

No real answer

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