Tools - Question 13 The action of an undampened spring can be represented by the function f() - 2 cos 4 (a - ) , where x is time in seconds and f(x) is the position in feet of the weight on the s 3+f(X) 21 0 8 371 CON Which interval can be used to construct the inverse of f(x)? A 68060 B OC O D 2021 Illuminate Education TM, Inc. O