Math 209 JMSB

So I already got into JMSB, I took econ 201, math 208, and 209 this semester. I know I've passed economics, my 208 may be average but still a pass. I took 209 online and I have the exam in 2 days and don't even know where to start. if I fail this exam will it affect me? I know my GPA and all but I am taking easier classes next semester so it will get better. (this is my first semester). but I just don't trust how I will do in this 209 exam because I'm so fried from having the 100mcq from econ to the math 208 and now this. I took these classes because they were the only ones available at the time since I came in as a transfer student and my previous transcripts were kinda delayed. How cooked am I?