What is another name for the coefficient also what does the coefficient say about the rate of change

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Can someone me with the property questions for 12 13 and 14 plz

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]