Let f(x)=x2−7x+12 and g(x)=x2−9 .

What is (fg)(x) ?

x−4x−3 where x≠−3,4

x−4x+3 where x≠−3,3

x+3x−4 where x≠3,4

x+4x−3 where x≠−3,3

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation