radical expressions and radical functions - 2 multiple choice questions

User Generated

algrnpue

Mathematics

Description

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

======================================

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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Explanation & Answer

1. It is |3x-1| (absolute value of 3x-1). It is because the fourth degr...


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