Find the maximum value of the function for the polygonal convex set determined by the given system of inequalities. 8x + 2y>36
-3x+6y<27
-7x+5y>-18
f(x, y)=9x+5y

a. the maximum is at (-3,6)
b. the maximum is at (-3,2)
c. the maximum is at (9,9)
d. the maximum is at (8,2)

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1