ONE QUESTION, ONE STEP
ZX-832B47590C2023年12月D卷 · 第 7 题
2023年12月D卷 · 原库模块 1 · Q7 原库参考解析
A student council group is selling car stickers for a fundraiser. They use the function p(x)= 5x-220 to determine their profit p(x), in dollars, for selling x car stickers. In order to earn a profit of $400, how many car stickers must they sell?
参考答案:
解题思路
容易忽略的一步
