at a certain time of day, a tree that is x meters tall cast a shadow that is x-23 meters long. if the distance from the top of the tree to the end of the shadow is x+2 meters long, what is the height ,x, of the tree?

Igot the answer of 15.8 years.

Period is the time it takes for one “cycle” to complete. in the parent sine function, period is 2*pi since sin(0) = 0, sin(pi/2) = 1, sin(pi) = 0, sin(3pi/2) = -1, and sin(2pi) = 0. at that point, the sequence repeats itself. i’m not sure if your graph is similar to the sine function since you didn’t provide a picture, but you can find the period by looking at a graph.