Question

help with algebra 2?

Answer 1

The third one.
C(0,0) = 0
C(2,3) = 14 - 9 = 5
C(5,0) = 35 - 0 = 35 //WINNER
C(0, 3) = -9

Answer 2

for these types of problems if you're not given a set of values, you want to draw out the equations, which will lead to you having some n-sided polygon. You take the corners of that n-sided polygon and then plug and chug into the objective function.