sat suite question viewer
Algebra
/ Linear functions
Difficulty: Easy
The function is defined by the equation . What is the value of when ?
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Explanation
Choice D is correct. Substituting for in the given equation yields , or . Therefore, the value of when is .
Choice A is incorrect. This is the value of when .
Choice B is incorrect. This is the value of when .
Choice C is incorrect. This is the value of when .