Find All Values of X Satisfying the Given Conditions $y _ { 1 } = \frac { 1 } { x + 5 } , y _ { 2 } = \frac { 3 } { x + 4 } , y _ { 3 } = \frac { - 1 } { x ^ { 2 } + 9 x + 20 }$

question 8

Multiple Choice

Find all values of x satisfying the given conditions.
- $y _ { 1 } = \frac { 1 } { x + 5 } , y _ { 2 } = \frac { 3 } { x + 4 } , y _ { 3 } = \frac { - 1 } { x ^ { 2 } + 9 x + 20 }$ , and $y _ { 1 } + y _ { 2 } = y _ { 3 }$

• A) \(\{ 4 \}\)
• B) \(\{ 0 \}\)
• C) \(\{ - 5 \}\)
• D) \(\varnothing\)

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