CAN YOU PLEASE SOLVE IT AS SOON AS POSSIBLE

Write a Matlab code to find the following integral using the trapezoid rule. Set $dx=0\mathrm{.}01.$

Points$)$

$I={\displaystyle \underset{1}{\overset{4}{}}}{e}^{x+1}dx$

Consider the following function. $($a$)$ Plot the graph using MATLAB. $($b$)$ Write a Matlab code

to use the Newton$-$Raphson method to find the root of the function. Use an initial guess of

$(20$ Points$)$

$f(x)=e^{-0\mathrm{.}5x}(4-x)-2$

The following data define the sea$-$level concentration of dissolved oxygen for fresh water as

a function of temperature:

I,$,0,8,16,24,32,40$

Use MATLAB to fit the data with $($a$)1-$D linear interpolation, and $($b$)$ cubic spline. Display

the results graphically and use each approach to estimate o$(27).(20$ Points$)$