The amount of money in an account may increase due to rising stock prices and decrease due to falling stock prices. Marco is studying the change in the money in two accounts, A and B, over time. The amount f(x), in dollars, in account A after x years is represented by the function below:
f(x) = 1,264(1.09)*

Part A: Is the amount of money in account A increasing or decreasing and by what percentage per year? Justify your answer. (5 points)

Part B: The table below shows the amount g(), in dollars, of money in account B after r years:

r(number of years) 1 2 3 4 go (amount in dollars) 1,375 1,512.50 1,663.75 1.830.13

Which account recorded a greater percentage change in amount of money over the previous year? Justify your answer. (5 points)​

After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. you notice the rainbow is the shape of a parabola. the equation for this parabola is y = -x2 + 36. graph of a parabola opening down at the vertex 0 comma 36 crossing the x–axis at negative 6 comma 0 and 6 comma 0. in the distance, an airplane is taking off. as it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow. analyze the two functions. answer the following reflection questions in complete sentences. what is the domain and range of the rainbow? explain what the domain and range represent. do all of the values make sense in this situation? why or why not? what are the x- and y-intercepts of the rainbow? explain what each intercept represents. is the linear function you created with your table positive or negative? explain. what are the solutions or solution to the system of equations created? explain what it or they represent. create your own piecewise function with at least two functions. explain, using complete sentences, the steps for graphing the function. graph the function by hand or using a graphing software of your choice (remember to submit the graph).