Mathematics: Which of the two functions below has the largest maximum y-value? f(x)=-x^4-2 g(x)=-3x^3+2 a. there is not enough information to determine b. the extreme maximum y-value for both f(x) and g(x) is infinite c. f(x) d.g(x)

Which of the two functions below has the largest

fayvetteville

02.06.2020

The answer is 'D'
APEX

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brutcherk

02.06.2020

D. g(x)

Step-by-step explanation: since,f(x)=-x^4-2

x^4>=0 for all x so,-x^4<=0 for all x

⇒ -x^4-2<=-2 for all x

⇒ f(x)<=-2 for all x so, maximum possible value of f(x)=-2

whereas g(x)= -3x^3+2 can take values from (-∞,∞)

so, g(x) has the maximum y value

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AnastasiaJauregui

08.01.2022

3rd i think are you on i ready

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