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Algebra / Linear functions Difficulty: Easy

The function g is defined by g of x, equals, negative x, plus 8. What is the value of g of 0?

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Explanation

Choice D is correct. The value of g of 0 is found by substituting 0 for x in the function g. This yields g of 0 equals, negative 0, plus 8, which can be rewritten as g of 0 equals 8.

Choice A is incorrect and may result from misinterpreting the equation as g of x equals, x plus, negative 8 instead of g of x equals, negative x plus, negative 8. Choice B is incorrect. This is the value of x, not g of x. Choice C is incorrect and may result from calculation errors.