If the parent function is y = 4x, which is the function of the graph? y = 3(4)x y = −3(4)x y = 2(4)x y = −2(4)x

Yes, two vertical lines can be complementary

(m+11n)^2=(m+11n)(m+11n)=m^2+11mn+11mn+121n^2=m^2+22mn×121n^2 for example; use foil: (a+b)(a+b)first. a^2outside. abinside. ablast. b^2