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Nonlinear functions SAT question
Math · Advanced Math · Easy · Answer it here, explanation included.
The function f is defined as shown. Which of the following graphs in the xy-plane could be the graph of 
?
ExplanationShow
Choice D is correct. For the quadratic function , the vertex of the graph is 
, and because the 
term is positive, the vertex is the minimum of the function. Choice D is the only option that meets these conditions.
Choices A, B, and C are incorrect. The vertex of each of these graphs doesn’t correspond to the minimum of the given function.
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