Which part of the graph shows exponential growth and a J-shaped curve?

a. B.
b. C.
c. D.

c. D.

The correct answer is: c. D.

To determine which part of the graph shows exponential growth and a J-shaped curve, you will need to analyze the characteristics of each section of the graph.

Exponential growth is a type of population growth where the rate of increase is proportional to the current population size. In simpler terms, it means that the population is growing rapidly and accelerating over time.

A J-shaped curve is a graphical representation of exponential growth. It starts off slowly at first, then accelerates rapidly, resulting in a curve that resembles the letter "J".

Now, let's examine the options:

a. B: This section appears to be a steady and straight line, indicating a constant rate of growth. It does not exhibit any exponential growth or a J-shaped curve.

b. C: This section displays a J-shaped curve, initially starting off slowly and then accelerating rapidly. It corresponds to exponential growth and a J-shaped curve. Hence, option b is likely the correct answer.

c. D: This section seems to show a plateau or a constant population size without any significant growth or a J-shaped curve.

Based on this analysis, option b (C) is the most likely choice since it exhibits both exponential growth and a J-shaped curve.