A shipping company charges based on calculations of the volume of a rectangular box and the sum of the dimensions
of the box. A square rectangular prism has a side length represented by the linear function f(x), and a height
represented by the linear function g(x).
X
3
4
5
6
V(x) = (f f g)(x)
15
24
35
48
S(x) = (f+ f + g(x)
8
10
12
14
Which statement describes the combined functions V(x) and S(x)?
The volume function is linear but the sum function is not.
O The sum function is linear but the volume function is not
Both the volume function and the sum function are linear.
O Neither the volume function nor the sum function is linear.