concave up only for negative values of x

concave up only for positive values of x

concave down for all real values of x

concave up only for negative values of x

concave up only for positive values of x

concave down for all real values of x

Mathematics · Calculus

The curve y = x4 is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1concave up only for negative values of x
2concave up only for positive values of x
3concave down for all real values of x
4concave up for all real values of x✓

Correct answer

concave up for all real values of x

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The curve y = x4 is:

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