sat suite question viewer
Algebra
/ Linear functions
Difficulty: Easy
The function is defined by . What is the value of when ?
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Explanation
Choice C is correct. It’s given that the function is defined by . Substituting for in this equation yields , which is equivalent to , or . Therefore, the value of is when .
Choice A is incorrect. This is the value of , not .
Choice B is incorrect. This is the value of , not .
Choice D is incorrect. This is the value of , not .