Answer:
B. 9x10^4
Step-by-step explanation:

When it says per month, it means to multiply. In this case, the expression would be;
25x+50
So however many months Fatima has spent at the gym, you would multiply that times 25 and add the initiation fee. Hope this helps.
I think I can help, let me do some more existential research and I’ll get back to you
B. x=10 and x=60. these are the points where she doesn't loses or gain money.
Hope this helped! Mark as Brainliest Please! :))