Question: (b) Evaluate the limit using L'Hpital's rule.The limit to be evaluated islimx7x +185x 7.By the direct substitution, we have the following.limx7x +185x 7=000Thus, the direct

(b) Evaluate the limit using L'Hpital's rule.The limit to be evaluated islimx7x +185x 7.By the direct substitution, we have the following.limx7x +185x 7=000Thus, the direct substitution results in indeterminateindeterminateform.Step 5Apply L'Hpital's rule.limx7x +185x 7=limx7ddxx +18ddxx =limx71x +18=1limx71x +18

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