5-3(x-4)=6
lnx+ln(9-v^2)=c
80*39
32-1/5
y^2-e^y-2
If $f(x)=-2x^2-5x$ and $g(x)=3x+2$, find the domains and ranges of $f(x)$, $g(x)$, and $f(g(x))$.
(1+sin x) $^{3}$
si Tan(2a+b)=4, Tan(a+2b)=3; calcular Tan(3a)/Tan(3b)
1/(5√2π) e^(-(35-25)^2/(2 x 25))
4.55 x 10 a la 7