The graph of a periodic function f is shown below. 3 f(8) 1.57 3.14 4.71 6.28 a. What is the period of this function? Preview b. What is the amplitude of this function? Preview C. Write a function formula for f. (Enter "theta" for 0) f(8) = Preview Submit Question 5. Points possible: 3 Unlimited attempts. Message instructor about this question Post this question to forum Consider the function f(0) = 4 sin(20) + 1. 3. What is the amplitude of f? Preview b. What is the period of f? Preview c. Graph of the function f below. (Hint. start by thinking about what the graph of y = 4 sin(20) looks like.) -1 Clear All Draw: My Vu