lim_(x→-4) ( (x^(2)+3x-4)/(x^(2)+7x-4) )
20/21:400/441:8000/9261
22/7*20 - 22/7*6
$\qr{\ox$ 00
8:10=x:50
lim_(x→-4) ( x^(2)+3x-4/(x^(2)+7x-4) )
14/3 - 2
Find x when f-1(x) = 7. and f(x) = 3x +2
the
sum
of
two
numbernumbers
is
110
and
their
difference
20
find
numbera
25%.x=2
