Find only the rational zeros.
-$$f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21$$
A) $- 7,1$
B) 7,1
C) $7 , - 1$
D) No rational zeros

Name: Find only the rational zeros. -\[f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21\] A) $- 7,1$ B) 7,1 C) $7 , - 1$ D) No rational zeros
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The Rational Root Theorem suggests testing factors of the constant term (-21) over the leading coefficient (1). Testing these, only 7 and 1 satisfy the equation $f(x) = 0$.

Find Only the Rational Zeros f(x)=x4−8x3+4x2+24x−21f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21f(x)=x4−8x3+4x2+24x−21

Find Only the Rational Zeros $f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 4 x ^ { 2 } + 24 x - 21$