8. \( \int_{0}^{1}(2 x+3) d x \)

4. Let \( f(x)=\ln \left(x^{2}+1\right) \), then \( f^{\prime}(x)= \) Let \( f(x)=e^{x} \), then \( f^{n}(x)= \) The function \( f(x)=-2 x^{3}+a x^{2}+b x+c \) the turnig point of \( p(8,-9) \) and \( (5,18) \), then the value of \( a= \) and \( b= \).

A. The critical number of \( f(x) \) B. Find the intervals on which \( f \) is increasing and decreasing by using the first derivative test Find the local maximum and minimum, if they exist by using the first derivative test Find the intervals on which \( f \) is concave up and concave down Find the inflection points of \( f(x) \)

Let \( f(x)=x^{2}+15 \), then \( f^{10}(x)= \) Let \( f(x)=\ln \left(x^{2}+1\right) \), then \( f^{\prime}(x)= \) Let \( f(x)=e^{\infty x} \), then \( f^{n}(x)= \)

What is the general solution to the following: \( \int 2 x \sin (x) d x \) ?

Integrate the following: \( \int x e^{2 x} d x \)