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 B is correct. It’s given that the function is defined by . The value of is the value of when . Substituting for in the given equation yields , which is equivalent to , or .
Choice A is incorrect. This is the value of when , rather than .
Choice C is incorrect. This is the value of , rather than .
Choice D is incorrect. This is the value of , rather than .