The function f is defined as shown. Which of the following graphs in the xy-plane could be the graph of ?
A
B
C
D
Correct answer: D
Explanation
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.
SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.
id cb_question_bank:b107c165-1235-4465-bd7e-574cfeab5695 · question d46da42c · IBN 021441-DC
· JSON