Solve the Problem $f ( x ) = a x ^ { 2 } + b x + c$

Multiple Choice

Solve the problem.
-The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the 3 years considered.

Fit a quadratic function $f ( x ) = a x ^ { 2 } + b x + c$ to the data. What is the value of $b$ ?

A) $- 1.2$
B) $1.9$
C) $- 1.6$
D) $2.3$