# Q 1  Find the second order derivatives of the functions given in Exercises 1 to 10.         $x^2 + 3x+ 2$

$y=x^2 + 3x+ 2$
$\frac{dy}{dx}= 2x+3$
$\frac{d^2y}{dx^2}= 2$
Therefore,  the second order derivative is $\frac{d^2y}{dx^2}= 2$