Use the Limit Process to Find the Slope of the Graph

question 86

Multiple Choice

Use the limit process to find the slope of the graph of $\sqrt { x + 21 }$ at $( 4,5 )$ .

• A) \(\frac { 1 } { 5 }\)
• B) 5
• C) \(\infty\)
• D) \(\frac { 1 } { 10 }\)
• E) the slope is undefined at this point

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