1. The backyard the 5% margin of error is 9.5m^2 smaller or larger.

2. Fulfilling 6 different functions including linear, quadratic, cubic, exponential, sine, and cosine, that construct the pool design adheres to the desired dimensions and aesthetics.
3. In the cartesian plane in Desmos, the x and y represent m^2distance
4. Using definite integral the three integrative functions and the surface area of the pool was calculated.
5. Trigonometric function forms a unique shape in pool but not inherently possess their own curves and the exponential function forms the best curved surfaces.
6. The allocated shape and backyard is rectangle the surface area is 〖190m〗^2
write one setence reablness of this obersvation

The observation describes the use of various mathematical functions to create a pool design that meets the desired dimensions and aesthetics, calculating the surface area using definite integrals and noting specific characteristics of trigonometric and exponential functions.