Question
Sketch the graphs of the following functions:
$\text{f(x)}=3\sec\text{x}$
$\text{f(x)}=3\sec\text{x}$

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$4\text{x}^2+\text{y}^2-8\text{x}+2\text{y}+1=0$
Find the term independent of x in the expansion of the following expressions:
$\Big(\frac{3}{2}\text{x}^{2}-\frac{1}{3\text{x}}\Big)^{6}$