A quadratic function f(x) = x^2 + bx +C has a vertex at (−2,1). Find the values of a, b and c. Show your work describe the strategy used.

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