Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied. $$\lim _{x \rightarrow 0} \frac{\sqrt{16+x}-4}{x}$$
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Step 1
To simplify this, we can multiply both the numerator and denominator by the conjugate of the numerator, which is $\sqrt{16+x}+4$. Show more…
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