Hep fast: for f(x)=2x+1 and g(x)=x^2-7 fins (f o g)(x) a.)2x^2-13 b.)2x^3+x^2-14x-7 c.)3x^2+7x-6 d.)2x^3-x^2-7x-7

The correct answer is B.

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

b) the dogs need to shift their focus to human scent.