In Exercises $7 - 14 ,$ determine the limit by substitution. Support graphically. $$\lim _ { x \rightarrow 2 } \sqrt { x + 3 }$$
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Step 1:** Substitute $x = 2$ into the function $\sqrt{x+3}$ to find the limit: $$\lim_{x \to 2} \sqrt{x+3} = \sqrt{2+3} = \sqrt{5}$$ ** Show more…
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