Ava45018 Ava45018
  • 18-02-2020
  • Mathematics
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Why is D the answer?

Why is D the answer class=

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MathPhys
MathPhys MathPhys
  • 18-02-2020

Step-by-step explanation:

a = 3, b = 8, and f(x) = √(1 + x).

Δx = (b − a) / n = 5/n

Plugging into the Riemann sum:

∑₁ⁿ f(a + k Δx) · Δx

∑₁ⁿ √(1 + (3 + 5k/n)) · 5/n

∑₁ⁿ √(4 + 5k/n) · 5/n

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