Question

For the function f(x) = -log(x) + 4, as x →∞, y→ _____.A.0B.None of TheseC.-∞D.∞E.4

Answer 1

Notice that:

`\lim _(x\rightarrow+\infty)\log (x)=+\infty`

Therefore:

`\lim _(x\rightarrow+\infty)(-\log (x)+4)=-\lim _(x\rightarrow+\infty)\log (x)+4=-\infty+4=-\infty`