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Evaluate the limit $\lim_{x\to2}\left(\sqrt{7x^2+14x-7}\right)$ by replacing all occurrences of $x$ by $2$
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$\sqrt{7\cdot 2^2+14\cdot 2-7}$
Learn how to solve limits by direct substitution problems step by step online. Find the limit of (7x^2+14x+-7)^1/2 as x approaches 2. Evaluate the limit \lim_{x\to2}\left(\sqrt{7x^2+14x-7}\right) by replacing all occurrences of x by 2. Multiply 14 times 2. Subtract the values 28 and -7. Calculate the power 2^2.