Sam works 15hrs for every 19 man works.. x= man's hrs equation

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000