If you're seeing this message, it means we're having trouble loading external resources on our website.

如果你被网页过滤器挡住,请确保域名*.kastatic.org*.kasandbox.org 没有被阻止.

主要内容

计算复合函数

问题

f(x)=6x4g(x)=3x22x10\begin{aligned} f(x)&=6x-4\\\\ g(x)&=3x^2-2x-10 \end{aligned}
写出关于x的表达式 left parenthesis, g, circle, f, right parenthesis, left parenthesis, x, right parenthesis
left parenthesis, g, circle, f, right parenthesis, left parenthesis, x, right parenthesis, equals
不会做了?
不会做了?