Find a Formula for the Slope of the Graph Of f

question 73

Multiple Choice

Find a formula for the slope of the graph of $f ( x ) = \frac { 7 } { x + 4 }$ .

• A) \(\frac { 7 } { ( x + 4 ) ^ { 2 } }\)
• B) \(\frac { 7 } { x + 4 }\)
• C) \(- \frac { 1 } { 7 ( x + 4 ) ^ { 2 } }\)
• D) \(- \frac { 7 } { ( x + 4 ) ^ { 2 } }\)
• E) \(- \frac { 7 } { x + 4 }\)

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