Using the same function as in Question #3 ( f(x) = 4x – 3 ), determine the value of x when:
f(x) = – 7
f(x) = 13
f(x) = 57
f(x) = -7 soooo -7 = 4x-3
-4 = 4x
x = -1
I think you can now do the others !
+37146 
