F(X) = (3x + 5)/X
F(a + 2) = (3(a + 2) + 5)/(a + 2)
F(a + 2) = (3a + 6 + 5)/(a+2)
F(a + 2) = (3a + 11)/(a + 2).
This would be the final solution.
Force = mass * acceleration
Force = 0.3 km * 8m = 2.4 N
I got a different answer from a,b,c
Answer:
it would cost $34.50 to purchase 7.5 lbs of walnuts.