A bookstore owner recorded the number of books sold each week for the past 9 weeks.

278 225 300 198 306 204 198 98 263

What is the mean number of books sold weekly?

A.
198
B.
225
C.
230
D.
306

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor with some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)= 2x+1 g(x)= 2x^2+1