If I do not attend class

If I do not attend class, then I will get a bad grade on the test. I did get a bad grade on that test. Therefore, I did not attend class. a. Inductive, weak. b. Deductive, invalid. c. Inductive, cogent. d. Deductive, valid. https://www.studyhelpus.com/Questions & Answers/if-i-do-not-attend-class/