Need a fast answer the graph shows the value of a car at different years after gianna purchased it. which answer is the best estimate for the average rate of change between year 4 and year 9? −$900/year−$450/year−$330/year−$180 /year

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

With alll of except for the 2 that i did already

What is the inverse of the function f(x) = 2x + 1?