Zero this

Algebra Level 2

Let f ( x ) = ( x − 1 ) ( x − 2 ) ( x − 3 ) − 6 f(x) = (x-1)(x-2)(x-3) - 6

Is x = 4 x = 4 a zero of f ( x ) f(x) ?

Not enough information to determine Yes No

Denton Young by Denton Young , 47, USA

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1 solution

Denton Young
May 13, 2017

f ( 4 ) = ( 4 − 1 ) ( 4 − 2 ) ( 4 − 3 ) − 6 = 3 × 2 × 1 − 6 = 0 f(4) = (4-1)(4-2)(4-3) - 6 = 3 \times 2 \times 1 - 6 = 0

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