Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease. y=91(0.938)^x
y=91(0.938)
x

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