Question

someone help me!!! please
see attach...

Answer 1

Screen shot was at an angle.

C = a v^2 + b v + c

22 = a (25) + b (5) + c
40 = a (400) + b(20) + c
85 = a (1225) + b (35) + c

Three equations and three unknowns. Can be solved, but tedious.

I tried another approach that did not work. Sorry. Must move on.

Answer 2

Thanks