Find a function for the graph below.

C

Step-by-step explanation:

From the graph you can see that y changes from -2 to 2, so the range of the function is

Since the range of the functions and is and the range of the functions and is  we can state that the correct option is  C:

Check the value at t=0:

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.