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I need help with my pre-calc work! The question image is attached.Which of the functions are bounded below? Check the two that apply.g(x) = -4xg(x) = xˆ2g(x) = xˆ3g(x) = | x + 4 | - 1

I Need Help With My Precalc Work The Question Image Is AttachedWhich Of The Functions Are Bounded Below Check The Two That Applygx 4xgx Xˆ2gx Xˆ3gx X 4 1 class=

Answer :

using a graphing tool

graph the functions

see the attached figure to better understand the problem

Remember that

A function f is bounded below if there is some number b that is less than or equal to every number in the range of f.

therefore

in this problem

g(x)=x^2 and g(x)=x^3 are bounded below

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