求大大帮忙做下下面的数学微积分题 TAT.

求大大帮忙做下下面的数学微积分题 TAT.
x
(8 pts) Giveng(x)= ∫ f(t) dt , where f is a continuous function,
1
1. Express g(5) – g(10) as a single integral, showing reasoning:
2. Find g’(x),explaining your reasoning:
求会的大大帮忙做下啊 要解题过程 TAT