Bacteria reproduce in a lab. The number of bacteria, as a function of time, is modeled by y=3(2)x. Which statement best describes the function?

A: The function is linear at some points and nonlinear at other points

B: Not enough information is given to decide

C: The function is nonlinear

D: The function is linear

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image