Quadratic functions: vertex form
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identifying the vertex
the vertex form of a quadratic function is f(x) = a(x-h) +k.
what is the vertex of f(x)=6

Ms. aniston asked seven students in her class to collect pet food cans for a local animal shelter. the dot plot shows the number of food cans collected by each student. each dot represents one student. what is the median of the data set? a. 6 b. 9 c. 7 d. 8