Answer:
68 mL
Step-by-step explanation:
1 liter = 1000 mL
1/2 of 1000 mL = 500 ml
568 - 500 = 68
I have attached the graph. Hope I helped!
See below.
(f + g)(x) = f(x) + g(x) = x² -3x -4+x² +x= 2x² -2x -4
12.1/1