Question

determine: lim 5-n^2/2n
x→∞

Answer 1

simplify to this 5-(1/2)*n^3

pick a huge number to evulate

Answer 2

you have to be very careful when typing use perentheses. Do you mean

5-n^2/2n

or
(5-n^2)/(2n)

Answer 3

the first one

Answer 4

then evaluate with a large number to get -infinity