Define $a * b$ as $2a - b^2$. If $a * 5 = 9$, what is the value of $a$?
Question:
Define $a * b$ as $2a - b^2$. If $a * 5 = 9$, what is the value of $a$?
Answer:
Let's think step by step.

user
17
Define $a * b$ as $2a - b^2$. If $a * 5 = 9$, what is the value of $a$?
train