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Evaluate the limit $\lim_{x\to4}\left(\frac{x+1}{4-x}\right)$ by replacing all occurrences of $x$ by $4$
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$\frac{4+1}{4-4}$
Learn how to solve limits by direct substitution problems step by step online. Find the limit (x)->(4)lim((x+1)/(4-x)). Evaluate the limit \lim_{x\to4}\left(\frac{x+1}{4-x}\right) by replacing all occurrences of x by 4. Subtract the values 4 and -4. Add the values 4 and 1. An expression divided by zero tends to infinity.