Mathematics · Application of Derivatives
Let f : R → R be defined by f(x) = 2x + cos x, then f:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1is an increasing function✓
- 2is a decreasing function
- 3has a maximum at x = 0
- 4has a minimum at x = π
Correct answer
is an increasing function
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