A rock was thrown from a cliff and travels in the path represented by the function h(t) =- 16(t - 5)(t + 4). Determine the y-intercept and explain what it represents in the context
of the situation.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field