Answer:
11x-y or 5x+y.
Step-by-step explanation: I hope this helps, I really don't know what the question means, since it not that specific.
Answer:
A) 25
Step-by-step explanation:
You use x= -b/2a in order to get your maximum so x= -10/ 2(-5) and you get x=1. You plug 1 into the function as h(1)=-5(1)^2 + 10(1)+ 20 which gets you 25
