sat suite question viewer
Algebra
/ Linear functions
Difficulty: Easy
The function is defined by . What is the value of ?
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Explanation
Choice A is correct. It’s given that the function is defined by . Substituting for into the given equation yields , or .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect. This is the value of for which , not the value of .