Answer:
3x^2+1.5x-9
Step-by-step explanation:
(f+g) (x)
=f(x)+g(x)
=x/2-3+3x^2+x-6
=3x^2+1.5x-9
x = 3 "1" blocks
E
fire + gas = bigger fire
5100 cm is how far the slug will travel
