Ask your teacher for some extra problems. Ask your teacher if you can do the problems in front of them. “live”. They should be able to spot quickly what you are not understandings and doing incorrectly. The other programs you did well on evidently aren’t advanced enough. Can’t worry about the other half of the class. We have all taken classes like this. Worry about yourself understanding. Many have found pre Calc actually harder then Calc 1. But let your math teacher be your guide. Teachers like to help and teach students. Also if there are other peer students maybe a junior or senior that is a recommended math student can sit with you and help.
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