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Answered

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Sagot :

Step-by-step explanation:

A is your answer.

You just have to solve for each function individually and see what the roots are.

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Sqdancefanidn

9514 1404 393Answer:

  (a)  f(x) = 2x² -2

Step-by-step explanation:

The function has two zeros, at -1 and 1, so is not a linear or square root function. The only viable choice is the correct one:

  f(x) = 2x² -2

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