$(6$ points$)$ Given F$($x$)$ in the following problems, find the derivative F$($x$).$ Note: Answer does not need to be

simplified after FULL application of derivatives $($the point is to test your application of derivatives not your

algebra$).$ Please enumerate the derivative rules you have employed per question.

$($a$)(2$ points$)$ F$($x$)=$

$$

x$+2$x

$7$x$4$x$2$