sat suite question viewer
Advanced Math
/ Nonlinear functions
Difficulty: Hard
The function is defined by the given equation. If , which of the following equations defines the function ?
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Explanation
Choice B is correct. It’s given that and . Substituting for in gives . Rewriting this equation using properties of exponents gives , which is equivalent to . Multiplying and in this equation gives . Since , .
Choice A 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 and may result from conceptual or calculation errors.