I believe the answer is a
4.2 hours x .4 gallons per hour = 1.68 gallons
Answer:
300+90+9
-45=0+40+5
Step-by-step explanation:
399-45=354
They are inverses if f( (g(x)) = x
f((g(x)) = (1/2) (2x + 4) - 2 = x + 2 - 2 = x
so this proves that g(x) is the inverse of f(x)
the other inverse g((f(x)) should also be = x
Answer:
Idk I would say 30
Step-by-step explanation: