The answer is A. If you substitute -2 and -8/3 for x, the answer is 0.
The dog eats 6 cupcakes in 22 days.
<em>(don't know why a dog would be eating cupcakes in the first place, but sometimes math questions don't make the most sense)</em>
I rounded it and the answer is 400
Well in order for someone to solve this they would need the function that goes with it. If you just have those then I believe you would just say:
f(0.5)