So I asked this same question 30 minutes ago and it wasn't answered but I really need help on it. Please help me if you can. I know the answer is either B or D.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Which of the following parabolas opens down?