F (x) = 3-4x
For each value of x given, replace it on the function and solve it:
x= -6 ; F (-6)= 3-4(-6) = 3+24 = 27
x=-3 ; F(-3) = 3-4(-3)= 3+12 = 15
x= 0 ; F (0) = 3-4(0)= 3
x=1 ; F (1) = 3-4(1)= 3-4 = -1
F(x) = -5 ; -5=3-4x
-5-3=-4x
-8 =-4x
-8/-4= x
2 =x
x=2
Now, set the points in the graph
