Practice problem
If f(x)=x2+3x−4f(x)=x^{2} +3x -4f(x)=x2+3x−4 and g(x)=x−1g(x) = x-1g(x)=x−1 what is fg(3)−f(3)\frac{f}{g}(3) - f(3)gf(3)−f(3)?
−15-15−15
−7-7−7
−10-10−10
−9-9−9
Type a concept, like “slope” or “photosynthesis”.