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Further integration — Question 345

Original QCE Vault practice · 1 mark

Q345 · Practice questionTechnology-activeSimple familiar1 mark

QUESTION 345

The shaded rectangles use left endpoints and four equal strips to estimate

\int_0^4 e^{0.2x}\,dx

. Determine the estimate to three decimal places.

Increasing curve exp(0.2x) on [0,4]; four hatched rectangles of width 1 use the left endpoints.

(A)

6.128

(B)

4.000

(C)

6.761

(D)

5.535

ABCD

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