Answer:
33
Step-by-step explanation:
f(x) = 4x-3
Let x= 9
f(9) = 4*9 -3
36-3
[tex]\Huge \boxed{{x=3}}[/tex]
[tex]\rule[225]{225}{2}[/tex]
f(x) = 4x - 3
f(x) = 9
Substituting.
9 = 4x - 3
Adding 3 to both sides.
12 = 4x
Dividing both sides by 4.
3 = x
