Select linear or nonlinear to correctly classify each function

Linear functions are

The only non-linear function is

Basically, a linear function is defined by those which curve is a line. Or their polynomial expression is first grade, that is, the major exponent of variables is one, which is not the case with the third function, that's why is not linear.

trough to 50 re s thr bke   nedsh le. therfore te dkgj jdjvhvfhv fe sjfv adxcc 60.

step-by-step explanation:

(a) the volume of the cone is 20/3 in3

hence, option a is correct.