sat suite question viewer
Algebra
/ Linear functions
Difficulty: Easy
If f is the function defined by 
, what is the value of 
?
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Explanation
Choice C is correct. If , then 
.
Choice A is incorrect and may result from not multiplying x by 2 in the numerator. Choice B is incorrect and may result from dividing 2x by 3 and then subtracting 1. Choice D is incorrect and may result from evaluating only the numerator 2x – 1.