The coordinates representing the optimal solution are

a$.-1,8$

b$.2,7$

c$.6,3$

d$.-4,-7$

The maximum objective function value is

a$.320$

b$.185$

c$.420$

d$.-430$

In decision analysis, all of the following statements are true for the maximax rule approach except

a$.$ Generally used by optimistic decision$-$makers

b$.$ Guarantees optimal outcomes

c$.$ Avoided by risk$-$averse decision$-$makers

d$.$ Supports the largest possible payoff

In decision analysis, the rule approach that gives the average risk for payoff based on data is

a$.$ Maximax

b$.$ Maximin

c$.$ EMV

d$.$ Cost$-$benefit

In decision analysis, the general approach used by risk$-$averse decision$-$makers is

a$.$ Maximax

b$.$ Mavimin