Find the zeros of the function.
-$$f ( x ) = x ^ { 3 } - 49 x$$
A) 0 and 7
B) 1,7 , and $- 7$
C) 7 and $- 7$
D) 0,7 , and $- 7$

Name: Find the zeros of the function. -\[f ( x ) = x ^ { 3 } - 49 x\] A) 0 and 7 B) 1,7 , and $- 7$ C) 7 and $- 7$ D) 0,7 , and $- 7$
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Question

Quizplus · Accepted Answer

To find the zeros of the function $f(x) = x^3 - 49x$, factor out an $x$ to get $x(x^2 - 49) = x(x - 7)(x + 7)$. Setting each factor equal to zero gives the zeros at $x = 0$, $x = 7$, and $x = -7$.

Find the Zeros of the Function f(x)=x3−49xf ( x ) = x ^ { 3 } - 49 xf(x)=x3−49x

Find the Zeros of the Function $f ( x ) = x ^ { 3 } - 49 x$