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Name

Class

Date

$f\left(x\right)=x^2+3\ \ \ ,\ \ g\left(x\right)=\sqrt{x}\ -1\ ,\ \ \left(f+g\right)\left(x\right)=?$

$x^2+\sqrt{x}$ (A

$x^2+\sqrt{x}+2$ (B

$x^2+\sqrt{x}-2$ (C

$x^3+2$ (D

$f\left(x\right)=x^2+3\ \ \ ,\ \ g\left(x\right)=\sqrt{x}\ -1\ ,\ \ \left(\frac{f}{g}\right)\left(x\right)=?$

$\frac{x^2}{\sqrt{x}}\ \ \ ,\ \ x>0$

$\frac{x^2+3}{\sqrt{x}-1}\ \ \ ,\ \ \ x\ne1\ \ ,\ x\ \ge0$

$\frac{\sqrt{x}-1}{x^2+3}$

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