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The function is defined by . In the xy-plane, the graph of is the result of translating the graph of up units. What is the value of ?
Explanation
The correct answer is . It's given that the graph of is the result of translating the graph of up units in the xy-plane. It follows that the graph of is the same as the graph of . Substituting for in the equation yields . It's given that . Substituting for in the equation yields . Substituting for in this equation yields , or . Thus, the value of is .