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Is 4 x squared opens upward?

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Anonymous

13y ago
Updated: 8/20/2019

We have f(x) = y = 4x2

When x = 1, f(1) = 4(1)2 = 4 and when x = -1, f(-1) = 4(-1)2 = 4

So for negative and positive values of x, y is always positive. So y = 4x2 opens upward.

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Wiki User

13y ago

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