F(x)= -4x+9
Multiply f*x
xF=9+4x
Solve for X: -4x+xF=9+4x-4x=0
Combine like terms: -4x+4x=0
-4x+xF=9+0= 9
-9+-4x +xF = 0.
1st one: linear
2nd one: linear
3rd one: nonlinear
An equation
what else could it be?
Y=6x+4
Blanks from left to right:
-14,-2,10,22,6x+4