Find the horizontal asymptote of
f(x)=e^x - x
lim x->infinity (e^x)-x= infinity
when it's going towards infinity, shouldn't it equal to negative infinity, since 0-infinity = - infinity
lim x-> -infinity (e^x)-x= infinity
f(x)=e^x - x
lim x->infinity (e^x)-x= infinity
when it's going towards infinity, shouldn't it equal to negative infinity, since 0-infinity = - infinity
lim x-> -infinity (e^x)-x= infinity
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