The function g is defined by g x = 10 x + 8 . What is the value of g

Question

The function g is defined by g x = 10 x + 8 . What is the value of g x when x = 8 ?

Accepted Answer

Choice D is correct. The value of g x when x = 8 can be found by substituting 8 for x in the given equation g x = 10 x + 8 . This yields g 8 = 10 8 + 8 , or g 8 = 88 . Therefore, when x = 8 , the value of g x is 88 . Choice A is incorrect. This is the value of x when g x = 8 , rather than the value of g x when x = 8 . Choice B is incorrect and may result from conceptual or calculation errors. Choice C is incorrect and may result from conceptual or calculation errors.

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