Convert decimals to fractions

$3$ $\right)$ 
$36\right)$ $44\right)2$ $45\right)1$ $40y$ 
$35\right)2$ $36\right)^{1}$ $42\right)1$ $43\right)4$ $49\right)1$ $50\right)3$ 
$50\right)$ 3 
$LEVEL-I$ 

1. FFoor r $2\times 3$ matrix $A=\left(a$ $\right)$ A=[a]whose elements are 
given by a, $=\dfrac {\left(1+/\right)^{2}} {2}$ then 4 is equal to 
$1\right)$ $ \begin{cases} 2 \\ 8 \end{cases} $ $\dfrac {9} {2}\dfrac {25} {2}^{\right)}$ $8\dfrac {9} {2}$ $2\right)$ $ \begin{cases} 2 \\ \dfrac {9} {2}8 \end{cases} ^{\dfrac {9} {2}8}$ $\right)$ $\dfrac {25} {2}$ 
$3\right)$ $ \begin{cases} 8 \\ 2 \\ \dfrac {9} {2} \\ 8\dfrac {9} {2}\dfrac {25} {2}^{\right)} \end{cases} $ 4) $ \begin{cases} 2\dfrac {25} {2}8 \\ \dfrac {9} {2}\dfrac {9} {2} \end{cases} $ 


Find the derivative of $f\left(x\right)=\sqrt{x} +x^{2}$ x?evaluated at $x=4$ 
$○$ $2.25$ 
$○$ $8.25$ 
$○$ $4.5$ 
$○$ $1.5$ From William Huang to Everyone 
I got perfect answer 

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