Use the Intermediate Value Theorem to Determine If a Real $f ( x ) = 2 x ^ { 4 } - 7 x ^ { 3 } + 4 x ^ { 2 } - x + 4 \text { in } ( 2,3 )$

question 69

Multiple Choice

Use the Intermediate Value Theorem to determine if a real zero of f(x) occurs in the given interval. If this cannot be
determined, indicate so.
- $f ( x ) = 2 x ^ { 4 } - 7 x ^ { 3 } + 4 x ^ { 2 } - x + 4 \text { in } ( 2,3 )$

• A)Cannot determine
• B)Yes

Explain the phenomenon of overextension and underextension in language development.

Grasp the concept of prelinguistic communication and its importance.

Recognize the role of grammar, syntax, and semantics in linguistic development.

Appreciate the universality of language development stages and their innate aspects.

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