Hello there, I would really appreciate some help with this practice question. Note: In the picture you can see the answer to the first value of the problem, but anyways I would like to know the step by step of it (to be able to know how to get to that answer) and of course the answer and the step by step of the second value too.

7. (5 points) Consider the function: f ( x ) = 9x* + 1 Step 1. Find the value of f ( -3) Answer: Correct Answer: / (-3) = 62 Step 2. Find the value of f (b - 3).