I think it is −2.666666666666667 but i’m not sure!
Answer:

Step-by-step explanation:
Product of of 3 and b is 3b
At least means greater than or equal too.

Answer:
9x +2
Step-by-step explanation:
f(x) = 3x+ 10x
g(x) = 4x - 2,
(f - g)(x)= 3x+10x - (4x-2)
Distribute the minus sign
= 3x+10x -4x+2
Combine like terms
= 9x +2