AIR MATH

Math Question

If \( (x-2 k) \) is a factor of \( f(x) \), which of the following must be true? \( f(2 k)=0 \) \( f(-2 k)=0 \) A root of \( f(x) \) is \( x=-2 k \). A \( y \) intercept of \( f(x) \) is \( x=2 k \).

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