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9 = + The function g is defined by g x x 300. ^ h What is the value of g x when x = 81? ^ h
Correct answer: C (parsed from the explanation — this source omits an answer key for this item)
Explanation
= +300 Choice C is correct. It’s given that function g is defined by g^xh x . 81 81 = 81+300 Substituting for x in function g yields g^ h , which is equivalent 81 =9+300 81 =309 =81 to g^ h , or g^ h . Therefore, the value of g^xh when x is 309 . 81 81+300 Choice A is incorrect. This is the value of , not . Choice B is incorrect and may result from conceptual or calculation errors. Choice D is 81+300 81+300 incorrect. This is the value of , not .
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