Don’t be discouraged if a first or second attempt at reaching out fails—just look for the next opportunity.
What you do during class is, in the long term, far more important than any exam or any homework you ever have. Most courses have a lecture component, but even in earlier courses professors will encourage discussion about key concepts.
In most cases, it’s not the facts that count; it’s what you do with them. Even in an introductory foundation course, raw knowledge only gets you so far.