Question

How do I evaluate the limit when x approaches -1 in the function of (xqube-4x+1)

Answer 1

4

Answer 2

the most difficult part is when I do fractions, when the denominator is equals to zero, whats the simplest way of finding a solution to such functions?

Answer 3

\[\lim_{x \rightarrow 1}\]

Answer 4

You can substitute in numbers that are very small and less than 0 and very small and larger than 0 and see what value the function is converging to.