Please help I am terrible at math, have good grades in everything but math.

1.Let f(x)=ln(3x)+2.5 . What is the average rate of change of f(x) from 2 to 7? Round your answer to the nearest hundredth. −3.99 −0.25 0.25 3.99 ------------------------------------

2. Let f(x)=−x√3 . What is the average rate of change of f(x) from 8 to 64? 28 128 −128 −28 ____________________

3. The table shows the values of a function f(x). What is the average rate of change of f(x) from −2 to 2? x f(x) −2 25 −1 24 0 21 1 16 2 9 3 0 ___________________________

4. What is the average rate of change from −1 to 1 of the function represented by the graph? sorry couldn't get graph to copy ____________________________________

5.The winning times for a race are shown in the table. Which answer describes the average rate of change from year 2 to year 4? The winning time increased by an average of 0.8 second per year from year 2 to year 4. The winning time increase

Guest Dec 13, 2019