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4 May, 11:04

Given that f (x) = 7x2 - 84, find x.

A) x = ±2

2

B) x = ±2

3

C) x = ±3

2

D) x = ±3

3

+2
Answers (1)
  1. 4 May, 14:57
    0
    7*2

    i think is the correct answer
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