Practice problem
If the quadratic functions y1(x)=2x2+7y_1(x)=2x^2+7y1(x)=2x2+7 and y2(x)=2x2−2+cy_2(x)=2x^2-2+cy2(x)=2x2−2+c are identical, what does ccc equal?
555
777
−9-9−9
999
Type a concept, like “slope” or “photosynthesis”.
