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Hillary Daniel
Mathematics
15 October, 17:26
If f (x) = 2x^2 - 10, find f (5).
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Holly Turner
15 October, 17:52
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Sub 5 for every x
f (5) = 2 (5) ^2-10
f (5) = 2 (25) - 10
f (5) = 50-10
f (5) = 40
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