Answer:
x = -8/3 or -2.66
Step-by-step explanation:
The output is the number that you end with, so you would set up the equation like this, with -3 being f(x):
3x + 5 = -3
Then you subtract 5 from both sides:
3x = -8
Then you divide both sides by 3.
x = -8/3, or -2.66
