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PLEASE HELP WILL GIVE BRAINLESS and 100 points

PLEASE HELP WILL GIVE BRAINLESS and 100 points-example-1
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User Junken
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1 Answer

2 votes

Answer:

D) Cannot be determined based on the information.

Explanation:

The given functions g(x) and f(x) are:


f(x) = x^2 - 2x + 4


g(x)=(1)/(3)x^2+(2)/(5)

According to the given conditions, h(x) ≥ g(x) and h(x) ≤ f(x) for all values of x. This means that h(x) is bounded between g(x) and f(x) for all x.

Therefore:


g(x) \leq h(x) \leq f(x)


(1)/(3)x^2 + (2)/(5) \leq h(x) \leq x^2 - 2x + 4

Consider the limit as x approaches 0 for g(x) and f(x):


\displaystyle \lim_(x \to 0) (g(x))=\lim_(x \to 0) \left((1)/(3)x^2 + (2)/(5)\right) = (2)/(5)


\displaystyle \lim_(x \to 0)(f(x))=\lim_(x \to 0) \left(x^2 - 2x + 4\right) = 4


\boxed{\begin{array}{c}\underline{\sf Squeeze\;Theorem}\\\\\textsf{If}\;g(x)\leq h(x)\leq f(x)\;\textsf{when $x$ is near $a$, except possibly at $a$,}\\\\\textsf{and}\; \displaystyle \lim_(x \to a)f(x)=\lim_(x \to a)g(x)=L,\; \textsf{then}\; \lim_(x \to a) h(x)=L.\end{array}}

The Squeeze Theorem states that if h(x) is squeezed between f(x) and g(x) near
a, and if f(x) and g(x) have the same limit L at
a, then h(x) is trapped and will be forced to have the same limit L at
a also.

As the limits of the two bounding functions are different, we cannot determine the limit of h(x) as x approaches 0 based solely on the information given.

answered
User Yeonsoo
by
8.4k points

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