1. A trapezoidal shaped park is built on a slight incline. The function for the ground elevation above sea level is

f (x, y)= x - 3y + 20 feet. What are the coordinates of the HIGHEST point in the park? (+2 points)

Value

Vertex

(x, y)

Function Calculation

S (, y) = x - 3y + 20

У1)

5

0

5

What are the coordinates of the HIGHEST (maximum) point and what is the value of the function at that point?

Coordinates:

Highest point (maximum):