Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.
-$$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 7 x - 14$$
A) $- 2$ (rational), $2 \sqrt { 7 }$ (irrational), and $- 2 \sqrt { 7 }$ (irrational)
B) $- 2$ (rational), 7 (rational), and $- 7$ (rational)
C) $- 2$ (rational), $\sqrt { 7 }$ (irrational), and $- \sqrt { 7 }$ (irrational)
D) 2 (rational), $\sqrt { 7 }$ (irrational), and $- \sqrt { 7 }$ (irrational)

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The Answer of Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.
-$$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 7 x - 14$$
A) $- 2$ (rational), $2 \sqrt { 7 }$ (irrational), and $- 2 \sqrt { 7 }$ (irrational)
B) $- 2$ (rational), 7 (rational), and $- 7$ (rational)
C) $- 2$ (rational), $\sqrt { 7 }$ (irrational), and $- \sqrt { 7 }$ (irrational)
D) 2 (rational), $\sqrt { 7 }$ (irrational), and $- \sqrt { 7 }$ (irrational)

Find All of the Real Zeros of the Function f(x)=x3+2x2−7x−14f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 7 x - 14f(x)=x3+2x2−7x−14

Find All of the Real Zeros of the Function $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 7 x - 14$