A function is defined as follows: `f(x)` = `{:(3x + 5, for -4lex<0)`, `(5-3x, "for" 0

Find the derivations of the functions defined as follows: f(x)=cos 5x

Find the derivations of the functions defined as follows: f(x)=x \sqrt{x}

Find the derivations of the functions defined as follows: f(x)=(x-1)/(2x+7)

Find the derivations of the functions defined as follows: f(x)=1/(2x+3)

Find the derivations of the functions defined as follows: 3x^2 +4

Two functions f:RtoR and g:RtoR are defined as follows: f(x)={(0,(x"rational")),(1,(x "irrational")):} g(x)={(-1,(x"rational")),(0,(x "irrational")):} then (gof)( e )+(fog) ( pi ) =