Mathematics · Continuity and Differentiability
If f(x) = x2 + 3x + a for x ≤ 1 and bx + 2 for x > 1, where x ∈ R, is differentiable everywhere, then:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a = b = 3
- 2a = 0, b = 3
- 3a = 0, b = 5
- 4a = 3, b = 5✓
Correct answer
a = 3, b = 5
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